FREE FACT: An oblate spheroid is a special case of an ellipsoid where two of the semi-principal axes are the same size. A special thanks to our Subbable.com supporters: Robby Weisenfeld Gustav Delius Ike https://www.youtube.com/TheNilFacts And to Audible.com - FREE audiobook at http://www.audible.com/minutephysics MinutePhysics is on Google+ - http://bit.ly/qzEwc6 And facebook - http://facebook.com/minutephysics And twitter - @minutephysics Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute! Music by Nathaniel Schroeder http://www.soundcloud.com/drschroeder Thanks to Nima Doroud for contributions. Created by Henry Reich
Views: 3122620 minutephysics
In Calipatria, California, the town is below sea level -- but their flag pole isn't. But what does "sea level" mean? Is it just theory, or is there more behind it? I'm at http://tomscott.com on Twitter at http://twitter.com/tomscott on Facebook at http://facebook.com/tomscott and on Snapchat and Instagram as tomscottgo
Views: 659852 Tom Scott
Subscribe Now: http://www.youtube.com/subscription_center?add_user=ehoweducation Watch More: http://www.youtube.com/ehoweducation The pressure of Earth's atmosphere at sea level has about 20 different answers, all of which are right. Find out about the pressure of Earth's atmosphere at sea level with help from an experienced educator in this free video clip. Expert: Eylene Pirez Filmmaker: bjorn wilde Series Description: The solar system is one of the most unique and interesting topics that we as humans have the pleasure of studying. Learn about astronomy and the stars with help from an experienced educator in this free video series.
Views: 4802 eHowEducation
Shared from original at the The COMET Program/MetEd channel - https://youtu.be/FuLa6xjwNco Published on Sep 28, 2016 Produced in collaboration between NOAA’s National Geodetic Survey (NGS) and The COMET Program, this video explains NOAA’s VDatum tool and its role in facilitating height transformations between vertical datums including tidal, orthometric, and ellipsoidal datums. It also provides an overview of different types of vertical datums and how they may be used for different applications with a focus on coastal areas and navigation services. Leaders from NOAA as well as other government agencies such as the U.S. Geological Survey (USGS), the Federal Emergency Management Agency (FEMA), and the U.S. Army Corps of Engineers (USACE) among others, along with GIS users, coastal managers and research scientists will find this 5 minute video helpful for understanding the importance of using consistent vertical datums when working with height information. For more information on geospatial infrastructure, visit http://www.geodesy.noaa.gov/. Category Science & Technology License Standard YouTube License
Views: 6019 Jesse Kozlowski
At Sea - Vocabulary - Explain At Sea - Meaning and Examples - ESL British English Pronunciation A full explanation of the neutral formality phrase to be at sea. If somebody is at sea, they are confused and unable to decide the necessary course of action. A synonym for to be confused, to be at sixes and sevens, to be flummoxed. The video contains various examples of at sea in a sentence. You are said to be at sea when you do not know what you are doing and you are out of your depth. At sea is good vocabulary for levels C1 and C2 and for people studying IELTS. http://www.iswearenglish.com/ https://www.facebook.com/iswearenglish https://twitter.com/iswearenglish
Views: 625 iswearenglish
While researching climate change, we heard something confusing: the sea level in New York City is rising about one and a half times faster than the global average. We couldn’t figure out what that meant. Isn’t the sea level...flat? So we called up an expert and went down the rabbit hole. And, we did our best to visualize her truly bizarre answers with animations, dioramas, and a lot of melting ice. Subscribe: http://bit.ly/2FqJZMl Like Verge Science on Facebook: http://bit.ly/2hoSukO Follow on Twitter: http://bit.ly/2Kr29B9 Follow on Instagram: https://goo.gl/7ZeLvX Read More: http://www.theverge.com Community guidelines: http://bit.ly/2D0hlAv Subscribe to Verge on YouTube for explainers, product reviews, technology news, and more: http://goo.gl/G5RXGs
Views: 1346812 Verge Science
Sea level is generally used to refer to mean sea level (MSL), an average level for the surface of one or more of Earth's oceans from which heights such as elevations may be measured. MSL is a type of vertical datum – a standardised geodetic reference point – that is used, for example, as a chart datum in cartography and marine navigation, or, in aviation, as the standard sea level at which atmospheric pressure is measured in order to calibrate altitude and, consequently, aircraft flight levels. A common and relatively straightforward mean sea-level standard is the midpoint between a mean low and mean high tide at a particular location. Sea levels can be affected by many factors and are known to have varied greatly over geological time scales. The careful measurement of variations in mean sea levels can offer information about climate change and has been interpreted as evidence supporting the view that the current rise in sea levels is an indicator of global warming. This video is targeted to blind users. Attribution: Article text available under CC-BY-SA Creative Commons image source in video
Views: 1540 Audiopedia
The Ocean is a deep and scary world that is completely removed from most of our lives. In this video I explore just how deep the ocean actually is while discussing some of the strange life down there... and other just plain weird and odd things about the ocean. Feel free to leave any comments and share what you found interesting, or anything else you think that I should have added! Music is by Ross Bugden, seriously, his channel is great. Song used is called "Something Wicked" https://www.youtube.com/watch?v=Zuw_O5MU5CE Link to Ross's channel: https://www.youtube.com/channel/UCQKGLOK2FqmVgVwYferltKQ Please Subscribe: http://bit.ly/2dB7VTO Follow me on Facebook: https://www.facebook.com/RealLifeLore/ Follow me on Twitter: https://twitter.com/RealLifeLore1 Reddit: https://www.reddit.com/r/RealLifeLore/ Videos explaining things. Mostly over topics like history, geography, economics and science. We believe that the world is a wonderfully fascinating place, and you can find wonder anywhere you look. That is what our videos attempt to convey. Currently, we try our best to release one video every two weeks. Bear with us :) Business Email: [email protected]
Views: 21988886 RealLifeLore
Video shows what sea level means. The nominal height of the surface of the oceans above which heights of geographical features and aircraft flight levels are measured.. sea level synonyms: mean sea level, MSL. Sea level Meaning. How to pronounce, definition audio dictionary. How to say sea level. Powered by MaryTTS, Wiktionary
Views: 9200 SDictionary
1-Reduce level- (R.L)- Height of any point measure w.r.t. M.S.L is known as R.L. Note- Absolute level of any point is taken w.r.t center of earth in which elevation of M.S.L is reduced the level becomes R.L. B.M- (Benchmark) - Any point of known R.L is known as B.M. R.L of other points are found w.r.t R.L of B.M. Note- All those B.M which are defined by survey of india called permanent B.M What is benchmark Benchmark in hindi What is reduced level What is absolute level What is levelling What is mean sea level Basic of levelling. Thanks for watching By Civil Engineering civil engineering #surveying #civilengineering
Views: 10306 Chaityendra Singh
How can you teach 6th grade students how to use positive and negative numbers to see if a place if above or below sea level? How can you find the difference in elevation between two places? In this real world math lesson for kids, we explore the math behind elevation and sea level. ★Download your the corresponding lesson guide for this video by clicking here: http://bit.ly/2lz1TTd ★ Want more FREE weekly math videos? Subscribe Now: http://bit.ly/1OVJnyh ★★ Why Math? Download YOUR Free eBook and sign-up for our FREE weekly newsletter: http://www.mashupmath.com/resources/ ★★★ Learn More About Anthony: http://bit.ly/1KQ1Td3 Grade 6 » The Number System » Apply and extend previous understandings of numbers to the system of rational numbers. Understand that positive and negative numbers are used together to describe quantities having opposite directions or values (e.g., temperature above/below zero, elevation above/below sea level, credits/debits, positive/negative electric charge); use positive and negative numbers to represent quantities in real-world contexts, explaining the meaning of 0 in each situation. Apply and extend previous understandings of numbers to the system of rational numbers. CCSS.MATH.CONTENT.6.NS.C.5 Understand that positive and negative numbers are used together to describe quantities having opposite directions or values (e.g., temperature above/below zero, elevation above/below sea level, credits/debits, positive/negative electric charge); use positive and negative numbers to represent quantities in real-world contexts, explaining the meaning of 0 in each situation. ... MashUp Math is a great free resource for math students, parents, and teachers. Our lessons are a great resource for struggling students, flipped classroom educators, and homeschool math students. ✔✔JOIN OUR MAILING LIST: http://bit.ly/1TqV94V ✔FOLLOW US ON TWITTER: http://www.twitter.com/mashupmath ✔FOLLOW US ON INSTAGRAM: http://www.instagram.com/mashupmath ✔FOLLOW US ON PINTEREST: http://www.pinterest.com/mashupmath ✔LIKE US ON FACEBOOK: http://www.facebook.com/mashupmath Our Mission: MashUp Math is our creative solution to reviving students' passion and interest for learning mathematics. As young educators, we know that all students learn math differently and that a one-size-fits-all approach is simply ineffective. The idea that the ability to understand mathematics is reserved for a select few did not sit well with us. In addition to sharing free teacher resources (which are teacher created resources) in the form of teacher worksheets, we share new YouTube math videos every week that help math teachers and students to better understand mathematics and the common core. Our lessons can be aligned with the common core standards for common core math and are immensely popular with flipped learning educators and anyone experimenting with flipped classroom learning. As educators, we know what it takes to be a super math teacher and that we can’t always do it alone. In addition to our cool math videos, we share articles, blogs, inspirational quotes, teacher math worksheets, and math worksheets. Whether you teach in the flipped classroom, operate in blended education or online blended learning, or are interested in finding cool math online, MashUp Math will have something for you! Many students think of us as a math tutor online or as their on-demand online tutor. Others trust us for all things related to online math education—coming to use when they find themselves thinking “I don’t understand my homework assignment! and need some homework help! It is also a part of our mission to make progressive steps in mathematics education. For one, our content is created with the goal of moving students from a fixed mindset to a growth mindset. We also aim to meet the unique needs of ESL math students and support math for girls as well. Many of our users serve as a special education teacher and use our cool videos to support their special education students with special needs. Our free online math lessons are also high adaptable to your homeschool curriculum and should be added to your list of free homeschool resources. We are also very involved in the edtech world and are very popular with Google Classroom educators, Math Games Classroom Educators, and teachers who support the use of iPad for education! So if you could use some help with everyday math and are a student with a unique learning style or learning styles—like Visual-Auditory Learning! Or if you’re tired of math games and are more interested in an easy-to-follow tutorial, check us out and learn math with us. No matter your school’s standards of learning, our YouTube Math Videos Lessons will work for you!
Views: 16576 MashUp Math
Although it may not be immediately obvious when we visit the beach, sea-level rise is affecting coastlines all over the world. For low-lying countries such as the Netherlands, sea-level rise and tidal surges are a constant threat. Our oceans are rising as a consequence of climate change. As the temperature of seawater increases it expands and the ice melting from ice sheets and glaciers adds more water to the global ocean. We know this because satellites high above our heads measure the temperature of the sea surface and of our changing ice. While the global averaged trend is towards rising levels, there are many regional differences so that in some places it is rising and in other places it is falling. Satellites carrying altimeter instruments systematically measure the height of the sea surface so that sea-level rise can be closely monitored. Altimetry measurements over the last 25 years show that on average sea-level is rising about 3 mm a year and this rise is accelerating. ★ Subscribe: http://bit.ly/ESAsubscribe Check out our full video catalog: http://bit.ly/SpaceInVideos Follow ESA on Twitter: http://bit.ly/ESAonTwitter On Facebook: http://bit.ly/ESAonFacebook On Instagram: http://bit.ly/ESAonInstagram On Flickr: http://bit.ly/ESAonFlickr ESA is Europe's gateway to space. Our mission is to shape the development of Europe's space capability and ensure that investment in space continues to deliver benefits to the citizens of Europe and the world. Check out http://www.esa.int/ESA to get up to speed on everything space related. Copyright information about our videos is available here: http://www.esa.int/spaceinvideos/Terms_and_Conditions
Views: 15987 European Space Agency, ESA
Sea Level Cain is possibly the best fighter in existence songs: 1st Song: Sad Ambient Music - "Empty Reflections (Slow Version)" link: https://youtu.be/bgq4SPKHlyI creator link: https://www.youtube.com/channel/UCS6luiGgTzmd0K8SO3KWx5A 2nd Song: NCM Epic Music - 300 Violin Orchestra Fast Version link: https://youtu.be/OAxXBH6SjZ0 channel link: https://www.youtube.com/channel/UCHEioEoqyFPsOiW8CepDaYg Disclaimer: The footage is used for parody/satire and criticism and protected under fair use
Views: 306702 RippedRoofie
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Views: 246 Question & Answer
hiii friends, We travel all the way to the railways .. Therefore, the railway station is also known. In this way some things in the railway station become commonplace for us. One of the common things is the railway board, which includes the name of the station With its height from sea level, it is also written. Even then, on this simple thing, you have ever thought that, after all, what is the purpose of this. Do you know the reason behind it? If you do not know, then know today. Mean sea level For this, first of all, you must know the meaning of height from sea level. Dar Sir scientists need to point out a similar height of the entire world, which is always the same thing. For this, scientists did not find any other option other than the sea. Because seawater always remains the same. Significantly, it is also used in civil engineering. Hence the height of the sea level is written Often you must have seen that at both ends of the railway station, the height is written from the sea level with the name of the station on the board. Let us know that this information is written not for us and yourself but especially for the driver and guard of the train. Actually, this is done because, accordingly, the driver of the train should be able to control the speed of the train. Just as if a train is going 200 meters above the height of sea level 300 meters above sea level, this board By looking at the driver, he realizes how much he has to pay speed to the train engine. Just assuming this as the basis, the engineer at the railway station refers to the elevation from the sea level on the main board of the station. The station which is located on both ends of the platform. It does not happen at all stations. It often happens at stations where the trains have to travel upstream. In this way, with the help of the Railway Sign Board, the train helps in the proper operation of the train. Along with this, electric wires on the train can also help to give a uniform height. So, the next time you are traveling to the railway and go to the railway station, then pay attention to this board.
Views: 1115 CIVIL CREATOR
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Views: 1634 Question & Answer
Rising global sea level is one of the most commonly cited consequences of climate change, but it’s often unclear how it might affect people living on the coasts. A rise in global sea level occurs due to the warming of the ocean and the addition of fresh water into the ocean basins from melting ice on land. Local sea level, known as relative sea level change, is affected by global sea level fluctuations, changes in land elevation, winds, and ocean circulation. Original video source: http://oceantoday.noaa.gov/globalvslocalsealevel/ Ocean Today is an interactive exhibit that plays short videos on ocean related themes. Visitors can select from 150+ videos on topics ranging from deep-‐sea exploration, marine species, and restoration projects to hurricanes, oceans and human health, and climate science and research. These videos are a free resource and are available on our website at oceantoday.noaa.gov.
Views: 3893 usoceangov
A flyover animation of cities underwater after the climate warms four degrees and the oceans rise. Global warming: effects of 2º vs 4º. President Donald Trump's policies may lock us into 4º of warming. FB for daily news: http://www.facebook.com/thedailyconversation http://www.twitter.com/thedailyconvo Subscribe to TDC: https://www.youtube.com/TheDailyConversation/ Clips courtesy of Climate Central: http://www.climatecentral.org/ Video edited by Robin West Produced by Bryce Plank
Views: 172001 The Daily Conversation
Za srpski titl uključite cc, captions. Any connection between the mean sea level pressure and a domed flat Earth? Or winds are doing their job? Anyway, graphs are making more sense on a flat Earth... https://en.wikipedia.org/wiki/Atmospheric_pressure https://earth.nullschool.net/#current/wind/surface/level/overlay=mean_sea_level_pressure/winkel3 https://iridl.ldeo.columbia.edu/maproom/Global/Atm_Circulation/Sea_Level_Pres.html Research flat Earth...even if it sounds stupid.
Views: 510 Užasnuti :: Horrified
Climate change and rising sea levels mean the island nation of Kiribati in the South Pacific is at risk of disappearing into the sea. But the island’s inhabitants aren’t giving up. They are doing what they can to save their island from inundation. Can COP23 help make a difference? UN estimates indicate that Kiribati could disappear in just 30 or 40 years. That’s because the average elevation is less than two meters above sea level. And some of the knock-on effects of climate change have made the situation more difficult. Kiribati can hardly be surpassed in terms of charm and natural beauty. There are 33 atolls and one reef island – spread out over an area of 3.5 million square kilometers. All have white, sandy beaches and blue lagoons. Kiribati is the world’s largest state that consists exclusively of atolls. A local resident named Kaboua points to the empty, barren land around him and says, "There used to be a large village here with 70 families." But these days, this land is only accessible at low tide. At high tide, it's all under water. Kaboua says that sea levels are rising all the time, and swallowing up the land. That’s why many people here build walls made of stone and driftwood, or sand or rubbish. But these barriers won't stand up to the increasing number of storm surges. Others are trying to protect against coastal erosion by planting mangrove shrubs or small trees. But another local resident, Vasiti Tebamare, remains optimistic. She works for KiriCAN, an environmental organization. Vasiti says: "The industrialized countries -- the United States, China, and Europe -- use fossil fuels for their own ends. But what about us?" Kiribati's government has even bought land on an island in Fiji, so it can evacuate its people in an emergency. But Vasiti and most of the other residents don't want to leave. _______ Exciting, powerful and informative – DW Documentary is always close to current affairs and international events. Our eclectic mix of award-winning films and reports take you straight to the heart of the story. Dive into different cultures, journey across distant lands, and discover the inner workings of modern-day life. Subscribe and explore the world around you – every day, one DW Documentary at a time. Subscribe to DW Documentary: https://www.youtube.com/channel/UCW39zufHfsuGgpLviKh297Q?sub_confirmation=1# For more information visit: http://www.dw.com/documentaries Instagram https://www.instagram.com/dwdocumentary/ Facebook: https://www.facebook.com/dw.stories DW netiquette policy: http://www.dw.com/en/dws-netiquette-policy/a-5300954
Views: 2473085 DW Documentary
According to a trio of new studies, sea levels rose faster over the past century than at any other point over the last 2800 years. Scientists say this is definitive proof that human actions are directly contributing to rising water levels. Hari Sreenivasan talks to Benjamin Strauss of Climate Central for more on the emerging environmental crisis and what it might mean for future generations.
Views: 1833 PBS NewsHour
By Daniel L. Kuester, U.S. Naval War College Public Affairs Feb. 4, 2014 NEWPORT, R.I. – Author, researcher and marine biologist Jeremy Jackson gave a presentation titled “Sea Level Rise is Dangerous” at U.S. Naval War College (NWC), Feb. 3, addressing environmental changes and the implications of those events on people. “The threats to the ocean life that I love are, if anything, more dangerous to us than they are to the natural life of the oceans,” said Jackson. Jackson said the sea level has risen seven to eight inches since 1900, due to the expansion of sea water from rising temperatures and melting ocean ice. The future effects of continued sea level rise on coastal cities such as New York, Miami and New Orleans remains unknown. “The latest IPCC (Intergovernmental Panel on Climate Change) projection, which is very conservative, is for about one to three feet,” said Jackson. One of the reasons for this variance, according to Jackson, is that 80 percent of fresh water is locked up in ice in Greenland and Antarctica, making it difficult for climate experts to predict how those regions will react to rising temperatures. “If Greenland melted tomorrow, sea level might be 23 feet higher,” said Jackson. “If Antarctica were to melt, sea levels might rise by 100 feet. “It is highly unlikely that Greenland is going to melt in the next 100 years, which is good news, but it is incredibly worrying that there are rivers of meltwater pouring off of Greenland 24 hours a day.” The dangers of such rise would mean that millions of people in the U.S. and around the world, as well as trillions of dollars in infrastructure, would need to be relocated or lost. This was Jackson’s second visit to the college discussing the dangers of the topic. To watch his January 2013 lecture titled “Ocean Apocalypse,” visit http://youtu.be/2zMN3dTvrwY. Author of seven books, Jackson has worked for Geosciences Research division at the Scripps Institution of Oceanography in San Diego and is also the former director of the school’s Center for Marine Biodiversity and Conservation. Edited and posted by Daniel S. Marciniak ***** Disclaimer: The views expressed are the speaker's own and may not necessarily reflect the views of the Naval War College, the Department of the Navy, the Department of Defense, or any other branch or agency of the U.S. Government.
Views: 10685 usnavalwarcollege
From an airport that operates thousands of feet below sea level, too one of the saltiest places on earth here’s some amazing sights that the ocean could look down on. Taieri Plain Lying just north of the Dunedin International Airport, is New Zealand’s lowest point, two meters below sea level. It’s all a part of the Taieri Plain, a three hundred square kilometer patch of farmland. The land is dominated by farm animals and lovely towns like Mosgiel and Maungatua. Floods in the region happen regularly and can be severe. Lammefjord This agricultural land in Denmark used to be a body of water. But a draining project started in 1873 and it took a really long time to complete. It wasn’t until 1943 that the lowest lying elevations were pumped dry. Now the land is ideal for growing things like carrots and potatoes. At seven meters below sea level it's, along with a polder in the western Netherlands, one of the lowest lying points in all of western Europe. Georgetown The busiest place in Guyana (guy-anna), Georgetown is also the country's capital and is where some 120 thousand people call home. Normally it lies right at sea level, 0, but at high tide it's actually one meter below sea level. It's for this reason that the land is protected by a seawall and authorities decided to install an intricate network of canals to drain the city. Georgetown is hot and humid. There’s no dry season however, with all 12 months experiencing at least 2 average inches of precipitation. New Orleans Until the Louisiana purchase in 1803 Napoleon and the French owned New Orleans. The city was named after a French Regent in 1718. After the U.S. purchased the land New Orleans would become a melting pot of cultures, with American, French, Creole and African people creating a diverse mix of lifestyles. It’s why the city is such a unique, fun place to experience. Parts of the city lie a few meters below sea level. By the late 20th century city officials began to realize that New Orleans could be vulnerable to flooding. Events like Hurricane Betsy in 1965 and a flood in May of 1995 demonstrated as much. The first mandatory evacuation in the city's history occurred in the same year, and was in lieu of Hurricane Katrina. While most residents had left by the time Katrina hit land, more than 1,500 people were lost during the disaster. During the hurricane the cities federal flood protection system failed. 80% of the city would flood as a result. The event is one of the worst civil engineering disasters of all time, and many say the worst since Chernobyl in 1986. Lake Eyre It doesn’t often fill, but when it does, Lake Eyre in central Australia become the largest lake in the country. Even when it's not full, it's home to the country’s lowest point at 49 feet below sea level. The salinity of the lake, which is at ocean levels when full, increases as water evaporates. Saturation occurs and at this poi9nt the lake turn pink. There’s just one more place left to learn about, but first we’d like to thank everyone for watching. We hope you learned something interesting in the last nine minutes and we invite you to subscribe and tune into our next video. Now for one more place, and it’s a city that’s constantly having to hold water at bay, Kristianstad Sweden's lowest point, nearly two and a half meters below sea level can be found in this city. It’s why parts have systems of levees and pumps in place for flood protection. In the recent past they’ve gone to great lengths to protect the environment. They use no oil, coal or natural gas to warm buildings, a remarkable turnaround considering that just two decades ago all of their heating came from fossil fuels.
Views: 18081 Epic Wildlife
This atmospheric hoax has been going on too long and needs to come to a stop. You are being pressurized into accepting pseudoscience as real science. The so called 'Earth' is flat and the sooner you can get you head around the idea the sooner you can move on.
Views: 562 THE LIGHT IS ON
Andrea Dutton approaches sea level rising in a different way, exploring the effects of climate change in the future. Dr. Andrea Dutton is an assistant professor in the University of Florida Department of Geological Sciences. Her research focuses on reconstructing sea level during past warm periods. By studying how seas have risen in the past, Dutton aims to better inform us about future sea-level rise. She travels to field sites around the globe to collect data on the rates, magnitude, and timing of past sea level and climate changes. Dutton has recently dedicated time to public officials and science communication to better inform decisions impacted by rising sea levels. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at https://www.ted.com/tedx
Views: 4779 TEDx Talks
Try Dashlane here: http://dashlane.com/simonclark Get 10% off now with my promo code: simonclark ! In this video I answer the question: 'isn't climate change supposed to have risen sea levels by now?' by looking at one dataset in some detail, and reviewing the scientific literature. Also: Kevin Costner's Waterworld. My video on stopping climate change: https://www.youtube.com/watch?v=GkbuV_a-rvs This video was light on the potential impacts of sea level rise. I wanted to focus specifically on the perception that sea levels have not changed, and spend time on the data. If you’re interested in the potential impacts then https://www.ipcc.ch/site/assets/uploads/2018/02/ar5_wgII_spm_en.pdf is a must read. Anthropogenic climate change (AGW) is a fickle bit of science, and like much of environmental science sometimes changes on (relatively) long timescales and global extent can hide in plain sight. That seems to be the case with sea level rise. The data is very clear: sea levels have been rising faster and faster over the past century, and this is not caused by natural variability. Humanity's carbon emissions are radiatively forcing the planet, causing net warming and so thermal expansion of the oceans and melting of ice sheets. It appears that this is going to become more and more painfully obvious as this century wears on, and so the sooner we take action the better. REFERENCES/FOOTNOTES (1) Church and White (2011) https://link.springer.com/article/10.1007/s10712-011-9119-1 (2) This figure from https://commons.wikimedia.org/wiki/File:Post-Glacial_Sea_Level.png, created by Robert Rohde based on data from Fleming et al. 1998, Fleming 2000, and Milne et al. 2005 (3) There are many excellent resources online about Milankovitch cycles. In this instance, the wiki is a good introduction: https://en.wikipedia.org/wiki/Milankovitch_cycles (4) Gross scale annual reconstruction of Greenland temperatures using data from Buizert et al (2018) https://agupubs.onlinelibrary.wiley.com/doi/pdf/10.1002/2017GL075601. The enormous anomalous warming circa 15kya is the Bølling-Allerød interstadial, likely caused by changes in the AMOC https://en.wikipedia.org/wiki/B%C3%B8lling-Aller%C3%B8d_warming (5) This figure taken from https://www.arcgis.com/home/webmap/viewer.html?webmap=f1e7378b962d42168fdefec3b6eb8b5f (6) This rate calculated based on the year to year (backward step) finite difference gradient of annual average data from (1), averaged over 30 years. (7) See http://lasp.colorado.edu/home/sorce/data/tsi-data/. 100*(~1/1370) is less than 0.1%) (8) Current data https://scripps.ucsd.edu/programs/keelingcurve/. Yes, of course, this rise is caused by humans: https://scripps.ucsd.edu/programs/keelingcurve/2018/09/19/is-the-current-rise-in-co2-definitely-caused-by-human-activities/ (9) https://www.engineeringtoolbox.com/volumetric-temperature-expansion-d_315.html (10) IPCC AR5 WG1 chapter 13 https://www.ipcc.ch/site/assets/uploads/2018/02/WG1AR5_Chapter13_FINAL.pdf (11) Though sometimes the timeframe of long term predictions is unclear, e.g. https://www.nature.com/articles/271321a0, leading to hyperbolic interpretations. (12) This figure taken from https://blogs.egu.eu/divisions/gd/2017/09/13/modern-day-sea-level-rise/, which is a recommended read. (13) https://science2017.globalchange.gov/chapter/12/ (14) https://www.theguardian.com/environment/2016/jun/14/first-case-emerges-of-mammal-species-wiped-out-by-human-induced-climate-change ---------- II ---------- You can support the channel by donating at http://www.patreon.com/simonoxfphys Check out my website! https://www.simonoxfphys.com/ ---------- II ---------- My twitter - http://www.twitter.com/simonoxfphys My facebook - http://www.facebook.com/youtubesimon My insta - http://www.instagram.com/simonoxfphys My goodreads - http://www.goodreads.com/simonoxfphys ---------- II ---------- Music by Epidemic Sound: http://epidemicsound.com Stock footage provided by Bigstock: http://bit.ly/bigstock-videofreetrial Huge thanks to my supporters on Patreon: Alastair Fortune, Anne Smith, Ben McMurtry, bitreign33, Caitlin Louise, Charles Bray, Dan Hanvey, David Efird, Ethan Fuller, Filip Kermit Prick, James Bridges, jawad alalasi, Jay Wright, Jia Xin Peng, Jonathan Trimble, Julian Guggenberger, Kendall Hendrix, Kendra Johnson, Kodzo, Lachlan Woods, Leighton Mackenzie, Liam, Louis Gillet, Mark Anthony Magro, Martin Hermes, Mat Allen, Matthias Loos, Michael Phillips, Mike Wooldridge, Omar Miranda, Paul Everitt, Rory Healy, Ryke Allen, Scott Cassidy, Thusto, Tiarna Pepall, Tim Boxall, Wendover Productions
Views: 205109 Simon Clark
Lecture by James Nicholls given at the Geological Society on 18 April 2012 as part of the 2012 Shell London Lecture series. Coastal areas constitute important habitats, and they contain a large and growing proportion of population and economic activity, including economic centres such as London, New York, Tokyo, Shanghai, Mumbai, and Lagos. Sea-level rise is a long-term threat to these areas. Global-mean sea levels rose 17 cm through the twentieth century due to global warming: they are likely to rise more rapidly due to the same cause through the twenty-first century when a rise of more than 1 m is possible. In some locations, local (or relative) sea-level rise may be exacerbated by subsidence, especially due to ground fluid withdrawal from, and drainage of, susceptible soils. Relative sea-level rise has a range of potential impacts, including higher extreme sea levels (and flooding), coastal erosion, salinization of surface and ground waters, and degradation of coastal habitats such as wetlands. In the worst case, large land areas could be lost and millions of people could be displaced by sea-level rise. Appropriate responses include mitigation of climate (a global response) and subsidence (a local response) and/or adaptation (also a local response). A combination of these strategies appears to be the most appropriate response to sea-level rise. Adaptation responses can be characterized as (1) protect, (2) accommodate, or (3) retreat. While these adaptation responses could reduce impacts significantly, they will need to be consistent with responses to all coastal hazards, as well as with wider societal and development objectives; hence, an integrated coastal management philosophy is required. In some developed countries, including England and the Netherlands, proactive adaptation plans are already being formulated. Coastal cities worldwide will be a major focus for adaptation efforts because of their concentrations of people and assets. Developing countries will pose adaptation challenges, especially in deltaic areas and small islands, which are the most vulnerable settings.
Views: 1940 GeologicalSociety
With the world heating up, drastic rises in sea level mean whole islands are literally disappearing. It’s an extraordinary sight, and proof positive we must do more, right now. WATCH more of 60 Minutes Australia: https://www.60minutes.com.au LIKE 60 Minutes Australia on Facebook: https://www.facebook.com/60Minutes9 FOLLOW 60 Minutes Australia on Twitter: https://twitter.com/60Mins FOLLOW 60 Minutes Australia on Instagram: https://www.instagram.com/60minutes9 For forty years, 60 Minutes have been telling Australians the world’s greatest stories. Tales that changed history, our nation and our lives. Reporters Liz Hayes, Allison Langdon, Tara Brown, Charles Wooley, Liam Bartlett and Sarah Abo look past the headlines because there is always a bigger picture. Sundays are for 60 Minutes. #60MinutesAustralia
Views: 292674 60 Minutes Australia
Official video for "After Words", the first single from the new LP from Mean Sea Level, "Everyone Who Feels The Sun"- available on black vinyl 2/12/2016 from Cardboard Sangria Records. Preorder it here: http://cardboardsangria.com/?product=cs026-mean-sea-level-everyone-who-feels-the-sun
Views: 657 cardboardsangria
I am back in England and back to the thick air! It makes a huge difference not being breathless when climbing stairs! Now to get the body used to it again! Follow Robson: @jnarobson Follow me on Instagram: @buchancameron Where I get my music: http://www.epidemicsound.com/ Camera Gear Camera - Sony A7III https://amzn.to/2HwJ6Yr Lens- Sony 28mm f2.0 https://amzn.to/2HwJk1J Microphone - Rode Video Micro - https://amzn.to/2pGB308 Phone - ASUS Zenphone 4 https://amzn.to/2G6DpzX Drone - DJI Mavic Pro https://amzn.to/2IQS53H Gopro Hero 5 Black - https://amzn.to/2uf8Pyw Gopro Aluminium skeleton w/ hot shoe mount - https://amzn.to/2Gjs9PZ Camera memory card - https://amzn.to/2IRwsA9] Computer Gear CPU - Ryzen 1700x https://amzn.to/2ITS2UL Graphics card - ASUS RX 580 8gb https://amzn.to/2ISdVnF HDD - 1tb Barracuda https://amzn.to/2pECVGK HDD - 256gb NVME 960 EVO https://amzn.to/2pEi4TZ Ram - Corsair Vengeance 32gb https://amzn.to/2pBk3Zq Motherboard - MSI X370 SLI Plus https://amzn.to/2IOQFXk Case - INWIN 101c https://amzn.to/2IORi38 #yamsquad
Views: 3898 Cameron Buchan
The frozen continent of Antarctica contains the vast majority of all freshwater on Earth. Now that ice is melting at an accelerating rate, in part because of climate change. What does this transformation mean for coastal communities across the globe? William Brangham reports from Antarctica on the troubling trend of ice loss and how glaciers can serve as a climate record from the past. Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG Find more from PBS NewsHour at https://www.pbs.org/newshour Subscribe to our YouTube channel: https://bit.ly/2HfsCD6 Follow us: Facebook: http://www.pbs.org/newshour Twitter: http://www.twitter.com/newshour Instagram: http://www.instagram.com/newshour Snapchat: @pbsnews Subscribe: PBS NewsHour podcasts: https://www.pbs.org/newshour/podcasts Newsletters: https://www.pbs.org/newshour/subscribe
Views: 139812 PBS NewsHour
Introduction to Atmospheric Science by Science Prof. C. Balaji,Department of Mechanical Engineering,IIT Madras.For more details on NPTEL visit http://nptel.ac.in
Views: 1707 nptelhrd
This presentation is an overview of the different effects climate change produces in different regions of the United States. In addition to discussing impacts already being experienced, the module presents information on how climate scientists usespecialized models and statistical techniques to estimate how regional climates are likely to change in the future. This material is available for non-commercial, non-promotional purposes only. For more information and similar learning materials, visit the MetEd website: http://www.meted.ucar.edu
Views: 19288 The COMET Program/MetEd
Sea level rise is already redrawing coastlines around the world. What happens when the coast retreats through a major city? We look at how the world map will change in the year 2100, and what coastal cities can do to defend themselves. Correction: An early version of this video suggested that researchers expect to see four feet of sea level rise by the end of the century. While researchers do expect to see at least that level of sea level rise in the future, the exact timing is difficult to project. We regret the error. Read more here: http://bit.ly/2ZwP5Se You can learn more about Surging Seas and check how sea level rise may affect you here: http://ss2.climatecentral.org Subscribe: http://bit.ly/2FqJZMl Like Verge Science on Facebook: http://bit.ly/2hoSukO Follow on Twitter: http://bit.ly/2Kr29B9 Follow on Instagram: https://goo.gl/7ZeLvX Read More: http://www.theverge.com Community guidelines: http://bit.ly/2D0hlAv Subscribe to Verge on YouTube for explainers, product reviews, technology news, and more: http://goo.gl/G5RXGs
Views: 372757 Verge Science
In this video I show how the "Union of Concerned Scientists" uses sea level junk science in an effort to obtain donations.
Views: 35337 Tony Heller
Josh Kent of Louisiana State University gives a simple explanation of how sea level rise from climate change and sinking of the land both contribute to coastal changes. Video produced by the Climate.gov team in cooperation with climate and Earth scientists from the National Oceanic and Atmospheric Administration and other agencies and institutions. Any opinions voiced by people in these videos are their own; they are not official NOAA statements or opinions. Unless specifically stated otherwise, Climate.gov video productions can be freely republished or re-purposed by others.
Views: 1933 NOAAClimate
Glaciation and Sea Level Change Dr. Michael Wilson, Geology Department, Douglas College "When we are working along the West Coast, we have of course the interplay between the land and the ocean. Basically, we talk about sea level a lot and people probably wonder how it is that sea levels go up and down and what are the factors involved. First of all, we have to think about glaciation – the relationship between glaciation and the oceans. At the time of maximum glaciation, there is an extraordinary amount of water that is actually stored in the glaciers and that water has to be derived from somewhere. The water comes from the oceans, so there is a corresponding drop in ocean level that agrees with the timing of glaciation. We see this interplay going on, of course, throughout the Pleistocene repeatedly. Whenever there is a glaciation, sea levels are lower. The maximum drop of sea level in the last glaciation was probably on the order of 130 meters. So we are talking about a major drop in sea level here. So let’s categorize some things here. First of all, when we are talking about worldwide changes in sea level, we call that eustatic changes. There have been these eustatic changes in sea level. No problem there - it’s a very straightforward phenomenon. When ice was present, however, in the Lower Mainland for example, or along the rest of the British Columbia coast, the mass of that ice also has to be considered. The ice weighed a lot. If you’ve ever picked up a bucket of water you realize that water is pretty heavy, actually. Despite the fact that it is made of just hydrogen and oxygen, a bucket of water is still pretty heavy. And so the mass of the ice sheets themselves (we had ice here perhaps two kilometers thick) the mass of the ice sheets in the Lower Mainland would have caused the land to be depressed. And so that’s another phenomenon we’ve got, relating to buoyancy, I guess, is the best thing to relate it to in your mind. If we add mass to this region we see the depression of the land downward. Now that’s called isostatic depression. So there’s eustatic change and also isostatic change. Now think of the relationships here – we’re getting complicated. The ocean levels have gone down, but because there is ice present, the land levels have also gone down. And it’s the interplay between the two that might give us some very complicated relationships in terms of local apparent sea level, or relative sea level. The actual position of a beach, then, could be a very complicated matter, in terms of its interpretation. If the land was depressed when the ice advanced and brought mass to this area then, you can imagine too that when the ice retreated the land started to rebound. So these factors make the study of relative sea levels a very complicated issue. But wait – there’s more! In the British Columbia area, we also have some very complicated tectonic settings. That’s a third geological factor that we have to think about. Tectonism is basically mountain-building or deformation processes, such as folding and faulting. In our region we do have a lot of evidence for folding and faulting. And tectonic changes, instead of just causing regional ups and downs, might cause areas to tilt. Some areas get uplifted more in one area and down dropped in another area. That means that as the land is going up and down or rebounding it is also being rotated in response to these tectonic forces. So we’ve got a third factor, and there is a fourth factor. The ice itself actually influences the local gravitational forces in an area. Of course, land masses influence gravitational forces – ice masses also do that. And so the ice masses would be exerting a gravitational force upon the nearby water. And that might be a factor in modifying the water level a little bit, too."
Views: 295 Museum of Archaeology & Ethnology at SFU
This animation is created from 8158 images plotting 500 hectopascal geopotential height and sea level pressure for each day from September 1, 1999 to October 31, 2010. The step is 12 hours, so there are two frames per day. Each plot was made by using the new historical archive from meteociel (http://www.meteociel.fr/modeles/archives/archives.php) (data from ncep), performing a "batch" download using an ad-hoc python script made by me.
Views: 3534 MeteoKit
In flood-prone Bangladesh, resilience can mean letting water have its way. Learn more: http://scim.ag/2HXnFMW producer/editor/script/animator/narrator Nguyên Khôi Nguyên supervising producer/script Sarah Crespi original story/interviewee Warren Cornwall photo editor Bill Douthitt photography Tanmoy Bhaduri, Warren Cornwall interview textiles background Monica Jahan Bose monicajahanbose.com cyclone Aila Jeff Schmaltz, MODIS Rapid Response Team, Goddard Space Flight Center graphics satellite maps Google Earth Bangladesh polders map J. You/Science adapted from The Center for Environmental and Geographic Information Services Polder and controlled flooding 3D models/illustration V. Altounian/Science Beel Bhaina and Dakatia Map Martijn van Staveren, Loek Weijts Beel Pakhimara Map J. You/Science adapted from Martijn van Staveren, Loek Weijts music “Lumified," "Agua madrugada” by David Schulman quietlifemotel.com "A Ghrà" by Damiano Baldoni CC BY 4.0, freemusicarchive.org/music/Damiano_Baldoni/Lost_Dinasty/A_GhrO Reporting supported by the Pulitzer Center for Crisis Reporting
Views: 9020 Science Magazine
Sunday 31 March 2013
Views: 232 BrusselsAviation
The latest reports from the National Oceanic and Atmospheric Administration predict that sea levels are likely to rise almost three feet by the end of the century. And in South Florida, sea level rise and climate change are already having an effect on roads and drinking water. But looking at Miami Beach’s real estate market, you wouldn’t know that the city is potentially facing a half a trillion dollars in flood damage. Shane Smith met with two of Miami beach’s top real estate brokers, Jill Hertzberg and Jill Eber, to find out what’s protecting the market. He also speaks with an insurance expert from Wharton who explains how the city’s public funds come predominantly from real estate taxes — meaning that putting more property at risk is also the very thing helping Miami deal with rising seas. Subscribe to VICE News here: http://bit.ly/Subscribe-to-VICE-News Check out VICE News for more: http://vicenews.com Follow VICE News here: Facebook: https://www.facebook.com/vicenews Twitter: https://twitter.com/vicenews Tumblr: http://vicenews.tumblr.com/ Instagram: http://instagram.com/vicenews More videos from the VICE network: https://www.fb.com/vicevideo
Views: 184514 VICE News
Altimeter setting is very familiar to pilots and is ordinarily reported in the body of a surface observation also referred to as a METAR. Sea level pressure (SLP) on the other hand, is not always provided, but only appears in the remarks section of a METARs. While most pilots in the U.S. use altimeter setting quite regularly, what is sea level pressure and how is it different from the altimeter setting?
Views: 4039 avwxworkshops
Worldwide Universities Network Showcase: Peter Irvine, 1 February 2012
Views: 353 University of Bristol