Useful for CBSE, ICSE, NCERT & International Students Grade : 8 Subject : Chemistry Lesson : Metals and Non Metals Topic: Salinity of Sea Water In the open ocean away from land the salt content (or salinity) of the seawater tends to range between 30 and 35 ppt (parts per thousand). This is equivalent to 3.0 to 3.5 % (or parts per hundred). Visit www.oztern.com to find personalized test preparation solutions for Pre Medical - AIPMT, AIIMS, JIPMER, State, Pre Engineering - IIT JEE, JEE MAIN, BITSAT, State and Foundations - Class 6 to 10.
Views: 18480 CBSE
In this session, the concept of ocean salinity, where does salinity comes from, how is salinity calculated, sea life and salinity and finally the concept of thermohaline circulation are explained by Dr. Manishika Jain. Water @0:10 Where Salt Comes From? @1:13 Land @1:18 Streams @1:33 2:31 Under Water @1:51 Salinity @3:55 PSU 25:46 Factors Affecting Salinity @6:18 Calcium Extract @9:49 Role of Sea Life @10:56 Thermohaline Circulation @12:45 #Sponges #Atmospheric #Evaporation #Melt #Seawater #Streams #Volcanoes #Ocean #Water #Salinity #Manishika #Examrace IAS Mains Geography optional postal course visit - http://www.examrace.com/IAS/IAS-FlexiPrep-Program/Postal-Courses/Examrace-IAS-Geography-Series.htm For Maps and locations books click here - http://www.examrace.com/IAS/IAS-FlexiPrep-Program/Postal-Courses/Examrace-IAS-Geography-Maps-Series.htm CBSE NET Geography optional postal course visit - http://www.examrace.com/CBSE-UGC-NET/CBSE-UGC-NET-FlexiPrep-Program/Postal-Courses/Examrace-CBSE-UGC-NET-Geography-Series.htm Lectures organised in topics and subtopics: https://www.doorsteptutor.com/Exams/IAS/Mains/Optional/Geography/
Views: 13899 Examrace
Here is a set of free learning resources made available to the public. as part of Arpita Karkarey's Walnut Learning System to spread quality education.
Views: 10559 Walnut Learning System
Language: Hindi, Topics Covered: 1. Salinity of ocean water: meaning 2. Salt budget of ocean water 3. Sources of salt in ocean water 4. Removal of salts from ocean water 5. Variation in salinity 6. Pattern in variation of salinity: comparison between equatorial water to tropical; comparison between northern and southern hemisphere 7. Local variation in salinity at ocean currents, enclosed sea, mouth of big rivers 8. Map: seas and mouth of big rivers- Mississippi into Gulf of Mexico, Amu Darya and Syr Darya into Aral sea , Black sea, Euphrates and Tigris into Persian gulf 9. Local variation in salinity: melting of glaciers 10. Vertical pattern of salinity Powerpoint available at http://Mrunal.org/download Exam-Utility: UPSC CSAT, CDS, CAPF Faculty Name: Ms. Rajtanil Solanki Venue: Sardar Patel Institute of Public Administration (SPIPA), Satellite, Ahmedabad, Gujarat,India
Views: 189884 Mrunal Patel
Useful for CBSE, ICSE, NCERT & International Students Grade : 7 Subject : Geography Lesson :Water Topic: Salinity of Sea Water The oceans get salt from the weathering and dissolution of minerals on land and from volcanic emissions. Salinity is a conservative property; it remains constant for the ocean as a whole for long periods of time, although local salinities may vary. Visit www.oztern.com to find personalized test preparation solutions for Pre Medical - AIPMT, AIIMS, JIPMER, State, Pre Engineering - IIT JEE, JEE MAIN, BITSAT, State and Foundations - Class 6 to 10.
Views: 1808 CBSE
Several natural processes make ocean water salty. For example, when it rains, the water droplets react with carbon dioxide in the atmosphere and form carbonic acid, making rainwater slightly acidic. This acidic rainwater reacts with minerals present in the rocks and forms new minerals and salts. This acidic rainwater reacts with minerals present in the rocks and form new minerals and salts. These minerals and salts are then carried by flowing water to the oceans, thus making the ocean water salty. In addition to this, along the mid-ocean ridges, magma rises close to the oceanic crust. Here, when the salty ocean water seeps into the earth's crust, it gets hot due to magma. This hot water dissolves more minerals present in the crust and carries them to the oceans through fissures called hydrothermal vents, thus making the ocean water salty. Also, don't forget to subscribe to our YouTube channel.
Views: 995942 It's AumSum Time
Video by https://www.kramgallery.com/ Over 2/3rds of the earth is covered in water, but only 2% of that water is pure. As clean drinking water becomes more scarce, you maybe wondering…What happens if I drink seawater? Let’s first examine how our bodies absorb water. You may remember the process of Osmosis where water moves from a less concentrated solution to a more concentrated solution, through a semi permeable membrane. The cell’s membrane allows water to pass through, but not the particles dissolved in water, like salt. Normally the saltiness of water inside our cells is the same as the saltiness outside our cells. When you drink water, a concentration difference takes place. Water from the outside your cell moves inside to maintain balance. This is called an isotonic state. When you drink too much seawater, the saltiness outside your cells will increase rapidly and the cells force water molecules out in order to restore balance. So even if you are already dehydrated, drinking sea water will cause your cells to release more water and you will end up peeing out more liquid than you take in. Conversely if you chug a massive amount of pure water, the exact opposite will happen. The saltiness outside your cells will decrease rapidly and water will be forced into your cells. This can cause the cells to swell and burst, which in extreme cases leads to seizures, coma and sometimes death! This would only occur if you were to chug 6 liters or more in an instant though. So what can you do if you are stranded on a deserted island with absolutely NO fresh water around? The simplest way to extract fresh clean water from the ocean is through distillation, which separates the salt from the water. In order to distill water you must heat the sea water so it evaporates, then trap the evaporated water vapor until it cools and condenses back into liquid water. Kinda like the moisture on your bathroom mirror after a hot shower. This condensed water will be free of all salt and 100% safe to drink. And be sure to subscribe :) Video by https://www.kramgallery.com/
Views: 2597715 After Skool
This is the Fraser River Delta just in front of Vancouver BC Canada, this is where sea water meets fresh water. The river water from Fraser River, flowing into the ocean water of the Strait of Georgia. Modern Science has discovered that in the places where two different bodies meet, there is a barrier between them. This barrier creates a noticeable line, as each water body has its own temperature, salinity, and density. If you go on google earth and look up Fraser River or Sea Island which is an airport right at the water edge, you will see this boundary line stretching for miles. Thanks for watching ★★ Please CLICK THE NOTIFICATION BELL! ★★ Some subscribers aren't being shown our videos unless they click the notification bell next to the subscribe button. ___________________________________________________________________ CREDIT LINKS ► Maryan Pearson Youtube Channel - https://www.youtube.com/channel/UCRcy6Po5q_VDeh6nfQWrb8w ► Maryan Pearson Video - https://www.youtube.com/watch?v=_sMHM3enq38 ► Marlin Magazine Youtube Channel - https://www.youtube.com/channel/UCwE2V-O-O_3Wrp03GlDz8Ag ► Marlin Magazine Video - https://www.youtube.com/watch?v=czd20tdEDUE ____________________________________________________________________ ► Wonder World Facebook - https://www.facebook.com/wonderworld.ytc.10 ► Wonder World Twitter - https://twitter.com/WonderWorld_YTC For business enquiries, content submission or copyright concerns or disputes, please contact me.
Views: 58397 Wonder World
Red Sea's Seawater Refractometer offers exceptional accuracy, for measuring the absolute salinity of seawater at a temperature of 25°C/77°F. Specifically designed for the ionic content of seawater (NSW) for more accurate salinity measurement. Calibrated for seawater (NSW) at 25°C/77°F, the normal temperature range for reef aquariums. Easier to read, higher resolution display, focussed to the relevant range for reef aquariums of up to 40ppt For more info, visit http://www.redseafish.com learn more about Red Sea Seawater Refractometer: http://www.redseafish.com/red-sea-salts/seawater-refractometer-salinity-test/
Views: 34837 Red Sea
The ocean is salty, but most lakes and rivers are not. Why is this? Get 15% off http://www.domain.com's s domain names and web hosting when you use coupon code DNEWS at checkout! Read More: Ocean Chemistry http://www.windows2universe.org/earth/Water/ocean_chemistry.html "The oceans are full of water. Ocean water is not just pure H2O, though. Ocean water has many different chemicals in it, especially salt." What is Salt in Chemistry http://study.com/academy/lesson/what-is-salt-in-chemistry-definition-formula.html "What exactly do we mean by 'salt' in chemistry? Learn more about the definition, chemical and physical properties and how we can easily figure out the chemical formula of many salts." Why is the Ocean Salty https://water.usgs.gov/edu/whyoceansalty.html "You may know that the oceans cover about 70 percent of the Earth's surface, and that about 97 percent of all water on and in the Earth is saline-there's a lot of salty water on our planet. ____________________ DNews is dedicated to satisfying your curiosity and to bringing you mind-bending stories & perspectives you won't find anywhere else! New videos twice daily. Watch More DNews on TestTube http://testtube.com/dnews Subscribe now! http://www.youtube.com/subscription_center?add_user=dnewschannel DNews on Twitter http://twitter.com/dnews Trace Dominguez on Twitter https://twitter.com/tracedominguez Julia Wilde on Twitter https://twitter.com/julia_sci DNews on Facebook https://facebook.com/DiscoveryNews DNews on Google+ http://gplus.to/dnews Discovery News http://discoverynews.com Download the TestTube App: http://testu.be/1ndmmMq
Views: 256448 Seeker
On the temperature, salinity, and density differences between the Atlantic and Pacific oceans in the upper kilometre. Abstract The surface of the Pacific Ocean stands about 40 cm higher than the Atlantic Ocean with respect to the 1000-decibar surface, and the North Atlantic and North Pacific stand respectively about 14 and 17 cm higher than the South Atlantic and Pacific. The North Atlantic is warmest and saltiest, the South Atlantic is coldest and densest, and the North Pacific is least dense and least salty. The extreme values in temperature and salinity of the North Atlantic are probably related to the formation of the deep water there, which carries away from the upper layer the cold water of relatively low salinity. If this water spreads into the South Atlantic at depth and is replaced with warm saline surface water from the South Atlantic via the South Equatorial Current and the Gulf Stream, then the South Atlantic should be substantially cooler and less salty. The difference in density and sea level of the Atlantic and Pacific oceans may stem from the difference in latitude of the southern tips of America, Africa, and Australia, and the constriction of the west wind drift at Drake Strait. Only the densest surface waters of the Pacific pass through to the Atlantic, while lighter waters from lower latitudes of the South Atlantic pass eastward south of Africa. Further, the constriction of the flow by Drake Strait may result in a higher sea level on the Pacific side through the effect of Windstau (Montgomery, 1938). The density difference between the southern and northern oceans may be partly a consequence of the west wind drift around Antarctica. This is the greatest current of all oceans. Its flow is approximately geostrophically balanced and the surface slopes down to the south. The northern west wind drifts are not so strong, are at lower latitudes, and the high latitude flow is westward with slope upward to the north. These differences are not confined to the upper thousand metres. The average density difference between the Atlantic and the Pacific from the surface to the bottom is about 17 × 10−5 g/cm3. Referred to some deep surface such as 4000 decibars, the Pacific stands about 68 cm higher than the Atlantic.
Views: 812444 EE
Check out Backlaze: http://backblaze.com/brainfood If you happen to like our videos and have a few bucks to spare to support our efforts, check out our Patreon page where we've got a variety of perks for our Patrons, including Simon's voice on your GPS and the ever requested Simon Whistler whistling package: https://www.patreon.com/TodayIFoundOut This video is sponsored by Backblaze. →Some of our favorites: https://www.youtube.com/playlist?list=PLR0XuDegDqP10d4vrztQ0fVzNnTiQBEAA →Subscribe for new videos every day! https://www.youtube.com/user/TodayIFoundOut?sub_confirmation=1 Never run out of things to say at the water cooler with TodayIFoundOut! Brand new videos 7 days a week! More from TodayIFoundOut: Why Don't Fire Hydrants Freeze and Burst During Winter? https://youtu.be/25J2c-9rXwA In this video: Most sea salts come from water-caused erosion, whereby rivers ultimately carry the dissolved salts to the oceans. Absent a few key processes, the ocean’s salinity would continuously increase; however, there are several mechanisms, called “salt sinks,” that help remove salts from the oceans at pretty much exactly the same rate as they are added. Want the text version?: http://www.todayifoundout.com/index.php/2016/09/ocean-continually-get-saltier/ Sources: http://ponce.sdsu.edu/usgs_why_is_the_ocean_salty/usgs_why_is_the_ocean_salty.html http://aquarius.nasa.gov/ http://news.discovery.com/earth/oceans/are-the-oceans-getting-saltier.htm http://oceanplasma.org/documents/chemistry.html#Steady_State http://science.nasa.gov/science-news/science-at-nasa/2004/05mar_arctic/ http://books.google.com/books?id=lgDiZMRnUrYC&pg=PA100&lpg=PA100&dq=steady+state+ocean+salt+sinks&source=bl&ots=Y8AwbB7Lqy&sig=UUoimVbgIryBli8ONkIfkPYgdsw&hl=en&sa=X&ei=okJNVJ6POqvGsQTb4oHYBw&ved=0CCsQ6AEwAg#v=onepage&q=steady%20state%20ocean%20salt%20sinks&f=false http://www.pik-potsdam.de/~stefan/Lectures/ocean_currents.html http://www.livescience.com/3883-global-warming-sea-salty.html http://aquarius.umaine.edu/cgi/sci_results.htm http://www.utdallas.edu/~mitterer/Oceanography/pdfs/OCE5bChem.pdf http://science.nasa.gov/earth-science/oceanography/physical-ocean/salinity/ http://www.coa.edu/stodd/oceanweb/oceanography/Oceanlectures02/Lecture3/tsld015.htm http://oceanservice.noaa.gov/facts/conveyor.html http://seawifs.gsfc.nasa.gov/OCEAN_PLANET/HTML/ps_questions.html http://www.sciencedirect.com/science/article/pii/S0031018206002483 https://en.wikipedia.org/wiki/Salinity#Seawater https://en.wikipedia.org/wiki/Evaporite https://en.wikipedia.org/wiki/Pore_water_pressure https://en.wikipedia.org/wiki/Sedimentary_rock https://en.wikipedia.org/wiki/Precipitation_(chemistry)
Views: 143862 Today I Found Out
Link for enrolling in the Crash Course for Prelims 2019 - Crash Course WITH Test Series - https://goo.gl/K2SGDe Crash Course WITHOUT Test Series - https://goo.gl/zLUcR3 Welcome to Sleepy Classes. Creating IAS from the grassroots of our nation. Our Aim - To provide Top Quality GS Coaching FREE. The classes of entire UPSC content are being uploaded regularly, so that you don't need to spend lakhs of your Rupees on coaching classes. Paid Product (Test Series) - Test Series With Video Explanations - https://courses.sleepyclasses.com/learn/PRELIMS-TEST-SERIES-2019---With-Video-Solutions-? Test Series without Video Explanations - https://courses.sleepyclasses.com/learn/PRELIMS-TEST-SERIES-2019---Without-Video-Solutions-? You can also donate - https://milaap.org/fundraisers/SleepyClasses We are also available at - https://sleepyclasses.com/ Android App. Telegram - t.me/SleepyClasses UPSC || UPSC Preparation || UPSC Interview || UPSC Syllabus 2018 || UPSC Topper Interview || UPSC preparation for beginners || UPSC Exam || UPSC 2018 || UPSC Syllabus 2017 || UPSC motivational videos || UPSC preparation in Hindi || UPSC preparation lectures || UPSC preparation without coaching || UPSC preparation for working professionals || UPSC preparation for beginners in hindi || UPSC preparation channel || Sociology || Sociology lectures in Hindi || Sociology Optional for UPSC || Sociology Optional ||Sociology Lecture for IAS || IAS preparation || Free IAS UPSC Tests || Free IAS UPSC Questions || #UPSC #IAS #CivilServices
Views: 1265 SleepyClasses
http://www.ipsf.com We discuss salinity, specific gravity and temperature maintenance in the Nano Lagoon reef aquarium. Salinity Salinity and specific gravity are related measures of how "salty" the seawater is. We use a simple plastic hydrometer to measure these levels. Our Instant Ocean Hydrometer cost about $9.00 at Wal-Mart. We begin by filling the hydrometer with tap water, and using a pencil or stiff wire to carefully knock any air bubbles off the indicator arm. The salinity should read "0" and the specific gravity should read "1.00." Next, we discard the tap water and fill the hydrometer with seawater from our Nano Lagoon. The salinity should be about 33 ppt (parts per thousand). Specific gravity should be about 1.024 units. If we are careful to keep the seawater level constant in our Nano Lagoon with daily additions of tap water as needed, the salinity will not vary much and can essentially be ignored. Nevertheless we should check this parameter twice a month with the hydrometer, just to be sure. If the salinity and specific gravity get too low, it means that the seawater in our Nano Lagoon is not salty enough. In that case we use seawater (instead of tap water) for our daily additions of makeup water, checking each day with the hyrometer until the salinity is back to 33 ppt. Temperature We use the digital stick-on thermometer to determine the temperature of the seawater. If you find the thermometer hard to read try briefly shining a flashlight on it. Ideally the temperature in the tank should be about 75 degrees Farenheit. An acceptable range of temperatures is about 70-80 degrees for the hardy species in your Nano Lagoon reef tank. We recommend keeping the tank at "room temperature" as long as it is not too hot or cold for prolonged periods. This way we can avoid using an in-tank heater. It's one less thing to buy and worry about. If the temperature in your house regularly falls below about 68 degrees Farenheit, then a small (25-50 watt) aquarium heater might be necessary. Please use only captive-bred organisms in your reef aquarium. To see more of our videos, click here: http://www.youtube.com/profile?user=ipsfdotcom&view=videos Learn more about healthy reefkeeping at our website: http://www.ipsf.com
Views: 70057 ipsfdotcom
Clearly, I do not want you to get stuck on a deserted island. Also, thankfully, I was not stuck on a deserted island myself; thus finding a plastic container wasn't too difficult. This video was a contrived attempt to urge middle school students to think about evaporation and condensation. Please do not use this method to distill water if you are actually stuck on an island. The water you produce will not be drinkable. And if you are watching this on YouTube while stranded on an island, then please check Whatsapp to see if you can connect with a friend who can come rescue you. Finally, here are some reliable sources that offer advice on how to collect drinking water in case you do get stranded. 1) National Geographic suggests that if you get stranded on an island, then your best chance of getting drinking water is to "collect rainwater." It also suggests that you can turn seawater into drinking water by "digging a hole in the ground, putting a container at the bottom and surrounding it with wet leaves... then, put a piece of plastic, such as tarp, on top of the hole and weigh it down with rocks so water can collect and fall into the container." http://www.nationalgeographic.com.au/nature/how-to-survive-on-a-deserted-island.aspx 2) USGS recommends using a "solar-still" to convert seawater to drinking water by leveraging evaporation and condensation while using a life raft. https://water.usgs.gov/edu/drinkseawater.html
Views: 315837 ChaleesMin
The Ocean is essential to life on Earth. Most of Earth's water is stored in the ocean. Although 40 percent of Earth's population lives within, or near coastal regions- the ocean impacts people everywhere. Without the ocean, our planet would be uninhabitable. This animation helps to convey the importance of Earth's oceanic processes as one component of Earth's interrelated systems. This animation uses Earth science data from a variety of sensors on NASA Earth observing satellites to measure physical oceanography parameters such as ocean currents, ocean winds, sea surface height and sea surface temperature. These measurements, in combination with atmospheric measurements such as surface air temperature, precipitation and clouds can help scientists understand the ocean's impact on weather and climate and what this means for life here on Earth. NASA satellites and their unique view from space are helping to unveil the vast... and largely unexplored.... OCEAN. NASA Earth Observing System Data and Information Systems (EOSDIS) EOSDIS is a distributed system of twelve data centers and science investigator processing systems. EOSDIS processes, archives, and distributes data from Earth observing satellites, field campaigns, airborne sensors, and related Earth science programs. These data enable the study of Earth from space to advance scientific understanding. For more information about the data sets used in this animation please visit,http://earthdata.nasa.gov This video is public domain and can be downloaded at: http://svs.gsfc.nasa.gov/goto?11056 Like our videos? Subscribe to NASA's Goddard Shorts HD podcast: http://svs.gsfc.nasa.gov/vis/iTunes/f0004_index.html Or find NASA Goddard Space Flight Center on facebook: http://www.facebook.com/NASA.GSFC Or find us on Twitter: http://twitter.com/NASAGoddard
Views: 448826 NASA Goddard
Credits to an unknown friend of Marcel Babin, Université Laval.
Views: 16472 synbiosee
This video is a part of Pebbles AP Board & TS Board Syllabus Live Teaching Videos Pack. Class 6th to Class 10th and Intermediate Subjects Packs are available in all leading Book Stores in AP and TS. For online purchase of our products. visit www.pebbles.in To watch the rest of the videos buy this DVD at http://www.pebbles.in Engage with us on Facebook : https://www.facebook.com/PebblesChennai Twitter: https://twitter.com/PebblesChennai Google+: https://plus.google.com/b/116349844333442514419/116349844333442514419/posts?pageId=116349844333442514419 Playlist: https://www.youtube.com/playlist?list=PLrn2lobWkqKnafYVeE4OavSAmYIq7nO9R https://www.youtube.com/playlist?list=PLrn2lobWkqKnpwF3JBaGFS7rpLkgS0n61 Share & Comment If you like
Views: 1977 PRATHIBHA
Ocean Temperature variation with depth - Surface layer, Mixed Layer, Thermocline, Deep Ocean Layer is explained using 3 simple concepts of heat transfer, brine rejection and density changes with temperature and salinity. Heat Transfer @0:22 Radiation @1:21 Conduction @1:55 Convection @2:36 Surface @4:05 Ocean Temperature @5:22 Isohalines by Water Density and Temperature @6:28 PSU (Practical Salinity Unit) @7:03 Why Ice Floats? @8:49 Temperature (℃) @10:49 Linear Decline @15:13 Brine Rejection @16:44 What is Brine Rejection? @20:16 Deep Sea Layer @20:52 21:42 Thermocline @25:00 #Thermocline #Salinity #Temperature #Surface #Convection #Conduction #Radiation #Heat #Manishika #Examrace IAS Mains Geography optional postal course visit - http://www.examrace.com/IAS/IAS-FlexiPrep-Program/Postal-Courses/Examrace-IAS-Geography-Series.htm For Maps and locations books click here - http://www.examrace.com/IAS/IAS-FlexiPrep-Program/Postal-Courses/Examrace-IAS-Geography-Maps-Series.htm CBSE NET Geography optional postal course visit - http://www.examrace.com/CBSE-UGC-NET/CBSE-UGC-NET-FlexiPrep-Program/Postal-Courses/Examrace-CBSE-UGC-NET-Geography-Series.htm Lectures organised in topics and subtopics: https://www.doorsteptutor.com/Exams/IAS/Mains/Optional/Geography/
Views: 18742 Examrace
This Lecture talks about Ocean Temperature, Salinity and Associated Resultants
Views: 7614 cec
The Dead Sea (Hebrew: יָם הַמֶּלַח, Yam ha-Melah, "Sea of Salt", also Hebrew: יָם הַמָּוֶת, Yam ha-Mavet, "The Sea of Death", and Arabic: البحر الميت About this sound Al-Bahr al-Mayyit (help·info)), also called the Salt Sea, is a salt lake bordered by Jordan to the east and Israel and Palestine to the west. Its surface and shores are 429 metres (1,407 ft) below sea level, Earth's lowest elevation on land. The Dead Sea is 304 m (997 ft) deep, the deepest hypersaline lake in the world. With 34.2% salinity (in 2011), it is 9.6 times as salty as the ocean, and one of the world's saltiest bodies of water. This salinity makes for a harsh environment in which plants and animals cannot flourish, hence its name. The Dead Sea is 50 kilometers (31 mi) long and 15 kilometers (9 mi) wide at its widest point. It lies in the Jordan Rift Valley and its main tributary is the Jordan River. The Dead Sea water has a density of 1.24 kg/liter, which makes swimming similar to floating. Biblical period- Dwelling in caves near the Dead Sea is recorded in the Hebrew Bible as having taken place before the Israelites came to Canaan, and extensively at the time of King David. Just northwest of the Dead Sea is Jericho. Somewhere, perhaps on the southeastern shore, would be the cities mentioned in the Book of Genesis which were said to have been destroyed in the time of Abraham: Sodom and Gomorra (Genesis 18) and the three other "Cities of the Plain", Admah, Zeboim and Zoar (Deuteronomy 29:23). Zoar escaped destruction when Abraham's nephew Lot escaped to Zoar from Sodom (Genesis 19:21-22). Before the destruction, the Dead Sea was a valley full of natural tar pits, which was called the vale of Siddim. King David was said to have hidden from Saul at Ein Gedi nearby. In Ezekiel 47:8-9 there is a specific prophecy that the sea will ".. be healed and made fresh", becoming a normal lake capable of supporting marine life. A similar prophecy is stated in Zechariah 14:8, which says that "Living waters will go out from Jerusalem, half of them to the eastern sea (likely the Dead Sea) and half to the western sea (the Mediterranean)..." Greek and Roman period- Aristotle wrote about the remarkable waters. The Nabateans and others discovered the value of the globs of natural asphalt that constantly floated to the surface where they could be harvested with nets. The Egyptians were steady customers, as they used asphalt in the embalming process that created mummies. The Ancient Romans knew the Dead Sea as "Palus Asphaltites" (Asphalt Lake). King Herod the Great built or rebuilt several fortresses and palaces on the western bank of the Dead Sea. The most famous was Masada, where in 70 CE a small group of Jewish zealots fled after the fall of the destruction of the Second Temple. The zealots survived until 73 CE, when a siege by the X Legion ended in the deaths by suicide of its 960 inhabitants. Another historically important fortress was Machaerus (מכוור), on the eastern bank, where, according to Josephus, John the Baptist was imprisoned by Herod Antipas and died. Also in Roman times, some Essenes settled on the Dead Sea's western shore; Pliny the Elder identifies their location with the words, "on the west side of the Dead Sea, away from the coast ... [above] the town of Engeda" (Natural History, Bk 5.73); and it is therefore a hugely popular but contested hypothesis today, that same Essenes are identical with the settlers at Qumran and that "the Dead Sea Scrolls" discovered during the 20th century in the nearby caves had been their own library. Josephus identified the Dead Sea in geographic proximity to the ancient Biblical city of Sodom. However, he referred to the lake by its Greek name, Asphaltites. Various sects of Jews settled in caves overlooking the Dead Sea. The best known of these are the Essenes of Qumran, who left an extensive library known as the Dead Sea Scrolls. The town of Ein Gedi, mentioned many times in the Mishna, produced persimmon for the temple's fragrance and for export, using a secret recipe. "Sodomite salt" was an essential mineral for the temple's holy incense, but was said to be dangerous for home use and could cause blindness. The Roman camps surrounding Masada were built by Jewish slaves receiving water from the towns around the lake. These towns had drinking water from the Ein Feshcha springs and other sweetwater springs in the vicinity. Byzantine period- Intimately connected with the Judean wilderness to its northwest and west, the Dead Sea was a place of escape and refuge. The remoteness of the region attracted Greek Orthodox monks since the Byzantine era. Their monasteries, such as Saint George in Wadi Kelt and Mar Saba in the Judean Desert, are places of pilgrimage.
Views: 138514 Dhruva's Experimental Channel
CASE STUDY: Desalination is a complicated process, the Seven Seas Corp.* approached DaVinci Studio to develop an animation that simplified the explanation of the process. Taking a cue from Seven Seas we started with squiggly style animation to give the technical looking components a non-technical look. Bottom line is to go from engineering-speak to the layman's level. Desalination (also called "desalinization" and "desalting") is the process of removing dissolved salts from water, thus producing fresh water from seawater or brackish water. Desalting technologies can be used for many applications. The most prevalent use is to produce potable water from saline water for domestic or municipal purposes. Desalination 101 IDA | International Desalination Association [http://www.idadesal.org] *Seven Seas Water Corporation, a major player in the water treatment industry, with an expanded presence throughout the Bahamas, Curacao, Mexico, Sint Maarten, Turks and Caicos Islands, U.S.A. and the U.S. Virgin Islands. [www.sevenseaswater.com]
Views: 1590818 DVSMarketing
Subject : GEOGRAPHY Course : PHYSICAL GEOGRAPHY-II Keyword : SWAYAMPRABHA
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Review of basic methods for measuring ocean salinity. Designed for an introductory oceanography course. To access version with CC and scripts: http://www.ccsf.edu/earthrocks Seawater Physical Properties Series: Part I: Water Molecule Shape Part 2: Water Phases Part 3: Water Density Part 4: Heats of Water Part 5: Light, Viscosity, & Pressure Part 6: Heat Transfer Seawater Chemistry Series: Part 1: Salty Seas Part 2: Measuring Salinity Part 3: Carbonated Oceans Part 4: Salinity's Impact on Marine Life
Views: 2067 Earth Rocks!
Aquarius: One Year Observing the Salty Seas - Ocean Salinity & Climate From NASA: This video provides a global tour of sea surface salinity using measurements taken by NASA's Aquarius instrument aboard the Aquarius/SAC-D spacecraft, from December 2011 through December 2012. Red represents areas of high salinity, while blue represents areas of low salinity. Aquarius is a focused effort to measure sea surface salinity and will provide the global view of salinity variability needed for climate studies. The mission is a collaboration between NASA and the Space Agency of Argentina (Comisión Nacional de Actividades Espaciales). - SUBSCRIBE to Bright Enlightenment http://www.youtube.com/BrightEnlightenment - JOIN the club: http://www.Facebook.com/BrightEnlightenment Video credit: NASA
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Brief review of how salinity impacts marine life globally. Designed for an introductory oceanography course. To access version with CC and scripts: http://www.ccsf.edu/earthrocks Seawater Physical Properties Series: Part I: Water Molecule Shape Part 2: Water Phases Part 3: Water Density Part 4: Heats of Water Part 5: Light, Viscosity, & Pressure Part 6: Heat Transfer Seawater Chemistry Series: Part 1: Salty Seas Part 2: Measuring Salinity Part 3: Carbonated Oceans Part 4: Salinity's Impact on Marine Life
Views: 1483 Earth Rocks!
Is video me hum mahasagariya jal ki salinity ke baare me padhenge . Topic Covered 1- Salinity 2- Cause of Salinity of water 3- Factors effecting Salinity of Ocean Water 4- Horizontal distribution of Salinity of Ocean 5 - Vertical distribution of Salinity of Ocean Factors Affecting Ocean Salinity The salinity of water in the surface layer of oceans depend mainly on evaporation and precipitation. Surface salinity is greatly influenced in coastal regions by the fresh water flow from rivers, and in polar regions by the processes of freezing and thawing of ice. Wind, also influences salinity of an area by transferring water to other areas. The ocean currents contribute to the salinity variations. Salinity, temperature and density of water are interrelated. Hence, any change in the temperature or density influences the salinity of an area. Horizontal distribution of salinity To make life easier, I will remove the symbol o/oo and place only number The salinity for normal open ocean ranges between 33 and 37. High salinity regions In the land locked Red Sea (don’t confuse this to Dead Sea which has much greater salinity), it is as high as 41. In hot and dry regions, where evaporation is high, the salinity sometimes reaches to 70. Comparatively Low salinity regions In the estuaries (enclosed mouth of a river where fresh and saline water get mixed) and the Arctic, the salinity fluctuates from 0 – 35, seasonally (fresh water coming from ice caps). Pacific The salinity variation in the Pacific Ocean is mainly due to its shape and larger areal extent. Atlantic The average salinity of the Atlantic Ocean is around 36-37. The equatorial region of the Atlantic Ocean has a salinity of about 35. Near the equator, there is heavy rainfall, high relative humidity, cloudiness and calm air of the doldrums. The polar areas experience very little evaporation and receive large amounts of fresh water from the melting of ice. This leads to low levels of salinity, ranging between 20 and 32. Maximum salinity (37) is observed between 20° N and 30° N and 20° W – 60° W. It gradually decreases towards the north.distribution of ocean salinity Indian Ocean The average salinity of the Indian Ocean is 35. The low salinity trend is observed in the Bay of Bengal due to influx of river water by the river Ganga. On the contrary, the Arabian Sea shows higher salinity due to high evaporation and low influx of fresh water. Marginal seas The North Sea, in spite of its location in higher latitudes, records higher salinity due to more saline water brought by the North Atlantic Drift. Baltic Sea records low salinity due to influx of river waters in large quantity. The Mediterranean Sea records higher salinity due to high evaporation. Salinity is, however, very low in Black Sea due to enormous fresh water influx by rivers. Inland seas and lakes The salinity of the inland Seas and lakes is very high because of the regular supply of salt by ‘ the rivers falling into them. Their water becomes progressively more saline due to evaporation. For instance, the salinity of the Great Salt Lake , (Utah, USA), the Dead Sea and the Lake Van in Turkey is 220, 240 and 330 respectively. The oceans and salt lakes are becoming more salty as time goes on because the rivers dump more salt into them, while fresh water is lost due to evaporation. Cold and warm water mixing zones Salinity decreases from 35 – 31 on the western parts of the northern hemisphere because of the influx of melted water from the Arctic region. surface salinity of world's oceans Sub-Surface Salinity With depth, the salinity also varies, but this variation again is subject to latitudinal difference. The decrease is also influenced by cold and warm currents. In high latitudes, salinity increases with depth. In the middle latitudes, it increases up to 35 metres and then it decreases. At the equator, surface salinity is lower. Vertical Distribution of Salinity Salinity changes with depth, but the way it changes depends upon the location of the sea. Salinity at the surface increases by the loss of water to ice or evaporation, or decreased by the input of fresh waters, such as from the rivers. Salinity at depth is very much fixed, because there is no way that water is ‘lost’, or the salt is ‘added.’ There is a marked difference in the salinity between the surface zones and the deep zones of the oceans. The lower salinity water rests above the higher salinity dense water. Salinity, generally, increases with depth and there is a distinct zone called the halocline (compare this with thermocline), where salinity increases sharply. Other factors being constant, increasing salinity of seawater causes its density to increase. High salinity seawater, generally, sinks below the lower salinity water. This leads to stratification by salinity.
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6 factors that affect and influences the movement of ocean water, waves, currents and tides. They are - temperature, salinity, wind, sun, Coriolis effect and ocean topography. Fill this feedback form for a better learning experience https://goo.gl/vrYPBw Click here if you want to subscribe https://www.youtube.com/user/TheRealSengupta Maps and sketches can be found on the instagram account search for "geographysimple" Check the other playlists of CBSE NCERT Geography videos Class 6 - https://goo.gl/DDFtIF Class 7 - https://goo.gl/ppPK05 Class 8 - https://goo.gl/OD3Gwh Class 9 - https://goo.gl/AIEXxQ Class 10 - https://goo.gl/inWIAR Class 11 (Part 1) - https://goo.gl/Pn5EIE Class 11 (Part 2) - https://goo.gl/X4zY9K Class 12 - https://goo.gl/Kszpz5
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Distribution of Salinity, Density and Temperature of sea water Notes (pdf): https://drive.google.com/open?id=1ND8y-_oCkB0Uvi1gzAU6yFBrA_MQDHz7
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salt level in aquarium : how to measure salinity : using a refractometer. how to measure salt level (salinity) in a saltwater aquarium with a refractometer. My salinity is between 1.024 and 1.026. 1.026 is the salinity level of the ocean. lots of great info in this rotter tube reef video on salt and equipment to measure salinity. always make sure you use separate gear for your main tank and quarantine tank. you don't want to take the chance of infecting your main aquarium with parasites by using the same equipment. i soak my gear in fresh water for a week to kill all parasites. soaking for a minimum of 48 hours is recommended. rotter tube reef : saltwater aquarium care that's fun and honest. SUBSCRIBE to my channel for new videos every Saturday. Thanks for watching! Airport Lounge - Disco Ultralounge by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/) Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100806 Artist: http://incompetech.com/ Saltwater aquarium care videos that are fun and honest. New saltwater tank videos every Saturday on YouTube. JOIN THE ROTTER TUBE REEF GROUP ON FACEBOOK: https://www.facebook.com/groups/1417920401638328/ GEAR I USE: KILL GREEN HAIR ALGAE with FOOD GRADE 35% HYDROGEN PEROXIDE. Dose 1ml per 10 gallons every other day. https://amzn.to/2HBuXGn https://amzn.to/2qd8IPn Finnex LED Aquarium light: https://amzn.to/2wOlbie 100% Pure Magnesium: https://amzn.to/2GLHbPa SYPHON to vacuum sandbed: https://amzn.to/2GK8i9k Ecotech Marine MP40W: https://amzn.to/2EqND8s Measure Master Syringe: https://amzn.to/2qeIrQL Turkey baster for cleaning live rock: https://amzn.to/2ryR20H saltwater tank maintenance gloves: https://amzn.to/2IuWrwp Seachem Cupramine Copper to kill ich: http://amzn.to/2idhGYG Copper Test Kit: https://amzn.to/2HAEuR0 Miracle Mud (Marine) 5 lb: http://amzn.to/2DDvzsl Red Sea Coral Pro Salt: http://amzn.to/2kjlnAa Aquarium Filter Media: http://amzn.to/2zXMXtD 3ft X 1 Flex Hose by Eshopps: http://amzn.to/2idXO7N Microbacter7: http://amzn.to/2kiLfMK VINYL BLACK TUBING: http://amzn.to/2jFXdvV T5 LIGHT: http://amzn.to/2idMWGK Instant Ocean Sea Salt: http://amzn.to/2jHipkW Rio Plus 2500 return pump: http://amzn.to/2idMaK5 New Life Spectrum fish food:http://amzn.to/2jIcQCT FOAM FILTER: http://amzn.to/2AEXMQV Stainless Steel Algae Scraper: http://amzn.to/2idO9y1 Blue Yeti USB Microphone: http://amzn.to/2iaIKaW EHEIM Jager Heater: http://amzn.to/2Ato7PE Seachem Ammonia Alert: http://amzn.to/2ibD3JB Tripp Lite 7 Outlet Surge Protector: http://amzn.to/2kjnh3M Two Little Fishies Seaweed food: http://amzn.to/2AEZBNL My favorite Protein Skimmer: http://amzn.to/2jJ6V0C Marineland Canister Filter: https://amzn.to/2Gl49YF INSTAGRAM : rotter_photography Twitter: @rotter_tube http://www.rottertubereef.com http://www.steverotter.com ROTTER TUBE videos: https://www.youtube.com/watch?v=k5cGs4ueI8A&list=PLD281336C1CA27181 NO MORE SUMP SOCKS: ROTTER TUBE filter: http://www.rottertubereef.com View the Rotter Tube: https://youtu.be/bwDfmMXxqC4 https://youtu.be/a_zdJ9aXCQg My eBook is available on Amazon: How to kill ich and marine velvet parasites in your saltwater aquarium FOREVER. http://www.amazon.com/dp/B01C3RQO02
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One of the many adverse effects of global climate change is the rise of sea levels, which scientists say can increase the salinity level of fresh water reserves. As saline water cannot be used for irrigation, farm fields close to the seashore are lost to agriculture. But a farm in Netherlands has managed to grow healthy and tasty vegetables in soil irrigated with salt water. VOA’s George Putic reports. Originally published at - http://www.voanews.com/media/video/farming-with-salty-water-is-possible/2509863.html
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This is a simulation of the Arctic Ocean Surface Salinity from Geophysical Fluid Dynamics Laboratory's high resolution coupled model. One can see the seasonal cycle of summertime freshening from sea ice melt as well as the salty water entering from the North Atlantic current.
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The Dead Sea, also known as the Salt Sea, salt lake bordering Jordan to the east 7 Israel With 33.7% salinity, the Dead Sea is one of the world’s saltiest bodies of water The Dead Sea’s unusually high salt concentration means that people can easily float in the Dead Sea due to natural buoyancy The Dead Sea is roughly 8.6 times saltier than the ocean. This salinity makes for a harsh environment in which animals cannot flourish. The high salinity prevents macroscopic aquatic organisms such as fish and aquatic plants from living in it -~-~~-~~~-~~-~- Please watch: "ambedkar park lucknow night beauty, 7 wonder of lucknow, UP" https://www.youtube.com/watch?v=U_tjzk2gKI8 -~-~~-~~~-~~-~-
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Fresh water from rivers floats on top of the denser seawater. This has implications as more fresh water enters the sea due to global warming. This may upset the ocean currents that now stabilize our weather. Doctor C shows how fresh water floats above saltwater using colored liquids.
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Video lecture, lesson summary, revision notes and solutions of CBSE NCERT Geography Class 11 Chapter 13 Water (Oceans) Part 2. This educational video is important and forms foundation for UPSC / IAS, SSC CGL, CDS, NDA and other school examinations. ***TIme stamp*** 1. Factors Affecting Temperature Distribution @ 0:37 2. Horizontal and Vertical Distribution of Temperature @ 5:11 3. Temperature structure of oceans (3 layers) @ 6:12 4. Salinity of Ocean Waters @ 11:21 5. Factors affecting ocean salinity @ 11:46 6. Horizontal Distribution of Salinity @ 15:32 7. Vertical Distribution of Salinity @ 18:52 Question and Answers https://goo.gl/kB4k5z First of this chapter https://goo.gl/RyJEvc Fill this feedback form for a better learning experience https://goo.gl/vrYPBw Click here if you want to subscribe https://www.youtube.com/user/TheRealSengupta Maps and sketches can be found on the instagram account search for "geographysimple" Check the other playlists of CBSE NCERT Geography videos Class 6 - https://goo.gl/DDFtIF Class 7 - https://goo.gl/ppPK05 Class 8 - https://goo.gl/OD3Gwh Class 9 - https://goo.gl/AIEXxQ Class 10 - https://goo.gl/inWIAR Class 11 (Part 1) - https://goo.gl/Pn5EIE Class 11 (Part 2) - https://goo.gl/X4zY9K Class 12 - https://goo.gl/Kszpz5
Views: 36690 Amit Sengupta
Review of the density of water and how it varies with temperature and salinity. Designed for an introductory oceanography course. To access version with CC and scripts: http://www.ccsf.edu/earthrocks Seawater Physical Properties Series: Part I: Water Molecule Shape Part 2: Water Phases Part 3: Water Density Part 4: Heats of Water Part 5: Light, Viscosity, & Pressure Part 6: Heat Transfer Seawater Chemistry Series: Part 1: Salty Seas Part 2: Measuring Salinity Part 3: Carbonated Oceans Part 4: Salinity's Impact on Marine Life
Views: 2678 Earth Rocks!