The ocean water near the mouth of the river is tan. As the clouds of sediment disperse in the water, they turn blue-green. Sediment is not the only thing that gives water this color in satellite images: a dense bloom of tiny ocean plants can also lend the water a blue-green tint.... read more ›
Glacier ice is blue because the red (long wavelengths) part of white light is absorbed by ice and the blue (short wavelengths) light is transmitted and scattered. The longer the path light travels in ice, the more blue it appears.... view details ›
Glaciers can have a bluish tint.
Over time, this makes the snow very dense and forces out any air bubbles. This change in the structure of the ice crystals causes the dense ice in the glacier to absorb red light and reflect blue light.... continue reading ›
The fewer bubbles there are, the less chance there is of light being scattered. In ice, this results in red wavelengths being absorbed, with only blue light being scattered and escaping the iceberg. This means we see a blue colour.... see more ›
The water is in fact not colorless; even pure water is not colorless, but has a slight blue tint to it, best seen when looking through a long column of water. The blueness in water is not caused by the scattering of light, which is responsible for the sky being blue.... view details ›
Alaska has more water in the form of lakes, streams, rivers, coastline and wetlands than any other state in the union. In addition, three different state agencies are involved in assuring our waters are clean, healthy and available for various uses.... read more ›
The silt is created when rocks underneath the surface of the ice are grinding from the movement of the glacier. The rock flour is very light and stays suspended in the lake water for a long time. The sunlight that reflects off these particles is what gives the lakes their spectacular turquoise blue or green colour.... view details ›
So the bottom line is that just because a water source was previously frozen does not mean it is inherently safe to drink. In fact, Loso has found snow and ice are capable of preserving poop and fecal bacteria “indefinitely,” which means that you need to consider the provenance of your melt water carefully.... see more ›
The eroding action of the glacier pulverizes the minerals on the rock over which it passes. The minerals form the sediments at the bottom of the lake. Numerous glacial lakes appear bright turquoise as if someone is continuously pouring food coloring agents into them.... view details ›
Glaciers taste good, as I discovered in Norway. When it's 85°F outside and you've been hiking for an hour, a big mouthful of ancient icepack tastes better than any Slurpee ever could. The diamond, sparkling ice is cold, wet, clean, and delicious–not to mention endless and all-U-can-eat.... view details ›
That's because blue ice is some of the oldest ice in Antarctica. On the continent, scientists have dug up blue ice that is 1 million years old, and researchers are searching for even older ice. When glacial ice first freezes, it is filled with air bubbles.... see details ›
The Last Glacial Period (LGP), also known colloquially as the last ice age or simply ice age, occurred from the end of the Eemian to the end of the Younger Dryas, encompassing the period c. 115,000 – c. 11,700 years ago.... see details ›
You can't use your feet, so you have to use your arms to pull yourself up and onto the iceberg. Q: Cold temperatures, 45-metre icebergs, one-metre swells, this sounds like a dangerous hobby. A: It is risky and there is a chance that the iceberg could collapse and if it does, we could die.... see more ›
BLACK BERG Shiny black icebergs are large hunks of flawless frozen seawater; lack of internal cracks means the ice absorbs all wavelengths of light without scattering any back out.... read more ›
Blue ice (glacial) - Wikipedia.... view details ›
Yes,but pure water has no color, taste, or smell because there are no minerals or trace elements.... read more ›
Water is odorless. This chemical element is a total nonnegotiable requirement for almost every organism on Earth, but it's just a couple of hydrogen atoms stuck with covalent bonds onto an oxygen atom. There's nothing smelly going on there.... read more ›
The light of the Trinity, which suffuses the mind in the highest forms of prayer, is sapphire blue, the colour of heaven.... read more ›
This water utility's tap water was in accordance with federal health-based drinking water standards for the most recent quarter assessed by the U.S. EPA (January 2019 – March 2019).... see details ›
Many households in rural Alaska use a toilet known as a "honey bucket". A plastic bag lined bucket collects urine and feces. Then, plastic bags of feces from honey buckets are disposed in a sewage lagoon. A different approach to delivering these services is needed.... continue reading ›
“Inadequate water access has been a persistent issue in more than 200 rural Alaskan communities, whose residents are primarily Alaska Native people,” the study said. As of 2015: 6.1% of communities in rural Alaska hauled water to their homes. 7.2% had mixed service.... read more ›
In a state full of stunning lakes and rivers, this body of water really stands out. Apparently the “natural phenomenon” that causes the lake's turquoise color occurs when the silt moves from the Grinnell Glacier into the lake and that color shows up when it mixes with the water. It is said to be tropical-like.... continue reading ›
Freeze overnight. When you add citrus to it, the blue color will turn purple! So technically, if you want to make purple ice cubes, add a squeeze of lemon or lime juice in the water!... read more ›
The location of a lake can also affect its water clarity—high up in the mountains, there's less runoff to cause dirt and dead plants to get into the water. Glacial lakes, from melting glaciers, contain something called “glacial flour,” a powdery mix of silt and clay that looks turquoise when the light reflects off it.... read more ›
In short, no. Bottled water doesn't “go bad.” In fact, the FDA doesn't even require expiration dates on water bottles. Although water itself doesn't expire, the bottle it comes in can expire, in a sense. Over time, chemicals from the plastic bottle can begin to leak into the water it holds.... view details ›
Q: How pure is iceberg ice? A: Iceberg ice is completely safe to consume.... view details ›
Even though icebergs are floating in saltwater, the ice has no salt. It's compressed snow. If you melted an iceberg you would get drinkable fresh water after you killed any germs. Icebergs have never been used as a major source of drinking water because of the costs and risks associated with moving them.... see more ›
So, what exactly causes that turquoise/teal color? It can be traced back to the rocks that the Buffalo is flowing through. The river cuts through sandstones, limestones and some dolostones. But the culprit for the beautiful blue is the limestone!... see more ›
Can You Swim at Lake Louise? Technically yes, you can swim at Lake Louise, but it probably won't be for long. The water temperature rarely gets above 4°C, meaning you only have about 15 minutes or so until you start to become hypothermic.... see more ›
Glacial-fed alpine lakes in the Rocky Mountains are among the clearest in the world. Fine rock dust, produced by massive glaciers rubbing against bedrock, stays suspended in the water, reflecting light and creating the turquoise colours that Moraine Lake and Lake Louise are known for.... view details ›
Yes, ice worms do, in fact, exist! They are small worms that live in glacial ice in Alaska, Washington, Oregon, and British Columbia; they have not been found in glaciers elsewhere. Contrary to stories and songs, they do not give glacier ice its blue color and they don't grow to lengths of 50 feet.... read more ›
Density also explains why most of an iceberg is found beneath the ocean's surface. Because the densities of ice and sea water are so close in value the ice floats “low” in the water. … This means that ice has nine-tenths or 90 percent of water's density – and so 90 percent of the iceberg is below the water's surface.... see more ›
Overall, both tap and bottled water are considered good ways to hydrate. However, tap water is generally a better option, as it's just as safe as bottled water but costs considerably less and has a much lower environmental impact.... see more ›
The oldest ice in the world: Snow that fell a quarter of a million years ago is preserved in the Greenland icecap. Drilling this summer will unlock the clues it holds to the climate before the last ice age.... continue reading ›
- The age of the oldest glacier ice in Antarctica may approach 1,000,000 years old.
- The age of the oldest glacier ice in Greenland is more than 100,000 years old.
- The age of the oldest Alaskan glacier ice ever recovered (from a basin between Mt. Bona and Mt. Churchill) is about 30,000 years old.
The deepest ice core records come from Antarctica and Greenland, where the very deepest ice cores extend to 3 kilometers (over two miles) in depth. The oldest continuous ice core records extend to 130,000 years in Greenland, and 800,000 years in Antarctica.... read more ›
Wait, there were humans during the ice age?!
Yes, people just like us lived through the ice age. Since our species, Homo sapiens, emerged about 300,000 years ago in Africa, we have spread around the world. During the ice age, some populations remained in Africa and did not experience the full effects of the cold.... see details ›
Humans during the Ice Age first survived through foraging and gathering nuts, berries, and other plants as food. Humans began hunting herds of animals because it provided a reliable source of food. Many of the herds that they followed, such as birds, were migratory.... read more ›
During the Ice Age, one-third of the planet was covered in glaciers, but Florida had temperatures only 5 to 10 degrees cooler than today's, and an even bigger perk: virtually no humidity.... read more ›
Icebergs can appear white, blue, green, brown or black. The colourations are caused by impurities or difference in density. The dark layers seen here indicate the presence of rock materials from the base of the glacier.... continue reading ›
Glacial ice can also look black and brown from the rock and debris plucked up by the ice in its journey down the mountainside and incorporated into the flowing glacier.... continue reading ›
These icebergs originate from the glaciers of western Greenland and may have interior temperatures of −15 to −20 °C (5 to −4 °F).... continue reading ›
The state of Alaska has abundant supplies of good drinking water. Despite the possibility of contamination and illness, the risk of contamination is overstated in many cases. Nonetheless, you should evaluate each water source and be prepared to treat or filter it if necessary.... see details ›
The ocean in Alaska is never going to be warm, which is a good thing in retrospect. But when it comes to swimming, you'll probably be much more comfortable with a wet suit on. If you are a true water baby, grab a snorkel and check out all the beautiful underwater sea creatures while you're at it!... continue reading ›
Yes. Russia and Alaska are divided by the Bering Strait, which is about 55 miles at its narrowest point.... see more ›
Ocean temperatures off Anchorage in southern Alaska vary remarkably from summer to winter. During most of winter, the sea temperature at Anchorage hovers just below the freezing point of fresh water. But over the long northern days of summer, water in Anchorage's sheltered inlet of Knik Arm warms rapidly.... continue reading ›
This place has the bluest water in Alaska, where outdoor enthusiasts fall madly in love with the pristine beauty of the state.
Start your journey to the bluest water in Alaska at the stunning 20-mile-long Kenai Lake in Cooper Landing.. The first 17 miles of the river between Kenai Lake and Skilak Lake are often times referred to as the "upper.". Address: Kenai River, Kenai, AK, USA. Kenai Lake is a beautiful, ridiculously blue lake that looks a bit more like a river at some points on the Kenai Peninsula, Alaska.. Kenai Lake is stunning, and so is Eklutna Lake, near Anchorage, Skilak Lake, which, like Kenai Lake, is also on the Kenai Peninsula, Auke Lake, near Juno, and Blue Lake, which is nearby the town of Sitka.
OK. So it sounds a little wild. But maybe, just maybe, it would work.
Hickel believes the pipeline could be built on the back of a huge barge and lowered to the sea floor like a big garden hose as the barge moves south.. And even from an engineering standpoint, “there are a lot of problems associated with it,” Snyder said.. Hickel envisions two pipelines, each 20 feet in diameter, running 2,000 miles from the west coast of Alaska to Southern California.. But the main cost would be in building the pipeline and moving the water from Alaska to California.. If the pipeline costs $100 billion and lasts about 30 years, the water it would deliver could cost at least as much as desalinated water, and that would make the project economically doubtful.. Even a small crack could become a major problem because the water inside would be under considerable pressure.. “When you get a large pipe, the stresses get pretty big,” said Snyder, who has worked on major pipeline projects around the world.. He estimated that the feasibility study would cost about $200,000.. If they have a water problem, I’m just giving them an idea of how they might solve it.”
22% of rural Alaska homes lack running water and a flush toilet. Water access rural Alaska sewerage infrastructure statistics realities Mishler
Young Yup’ik girl, Shaylene Spein, in traditional kuspuk, Kwethluk, Alaska / Photo by Clark James Mishler22% of rural Alaska homes lack running water and a flush toilet, according to the Alaska Department of Environmental Conservation – Division of Water.. Photographer Clark James Mishler described the difference between living in an urban Anchorage residence and living in parts of rural Alaska as stark: “It’s like living in a third world country, but it’s right here in America, and it’s an hour from here.” The photographer told Frontier Scientists “Some of my favorite work has been documenting the people in the Southwest Alaska Yup’ik village of Kwethluk.” Mishler joined Peter and Vera Spein and their extended family in the rural village.. The heating got better in the house, they got a little propane heater,” Mishler said, and “They had more lights in the house, so it was a brighter place.. “There are showers at the laundry facility but that’s about a quarter of a mile away,” Mishler said, so “Instead of showers they do steams.” He’d join other men in a steam house.. And you do this about every other night on average.” Mishler: “I did not have a shower the whole time I was out there.. Image courtesy AK Department of Environmental ConservationMishler stated in a 2015 interview: “Some day they will have running water and some day they will have a bathroom but they don’t now and it’s kind of strange: to image that in modern America there are whole villages of people or sections of villages that are living without the basic things that have been (pretty much) a part of our collective lifestyles for the last 50-100 years.. Where homes are not serviced for water and sewage, rural Alaskan residents either spend energy hauling water from central community water service points or drink water from untreated sources like rivers, rainfall, or melted snow.. The DEC reports: “There are currently over 3,300 year-round occupied rural Alaska homes that lack running water and a flush toilet.” And “Over 700 homes are served by operation-intensive haul systems.. Keeping existing systems operational is a challenge for most villages, and there are approximately 4,500 rural homes that are connected to community-wide piped systems that have surpassed or are nearing the end of their design life.”. Image courtesy AK Department of Environmental ConservationSince the years when Mishler photographed Peter and Vera Spein’s family in Kwethluk, more water development in Kwethluk has benefited residents.. The Alaska Native Health Tribal Health Consortium reported in 2016 ‘More Kwethluk residents receive home access to water and sewer’ (http://anthc.org/news/more-kwethluk-residents-receive-home-access-to-water-and-sewer/).
The most important light-absorbing substance in the oceans is chlorophyll, which phytoplankton use to produce carbon by photosynthesis. Due to this green pigment - chlorophyll - phytoplankton preferentially absorb the red and blue portions of the light spectrum (for photosynthesis) and reflect green light. So, the ocean over regions with high concentrations of phytoplankton
The reason the ocean is blue is due to the absorption and scattering of light.. The blue wavelengths of light are scattered, similar to the scattering of blue light in the sky but absorption is a much larger factor than scattering for the clear ocean water.. In water, absorption is strong in the red and weak in the blue, thus red light is absorbed quickly in the ocean leaving blue.. The red, yellow, and green wavelengths of sunlight are absorbed by water molecules in the ocean.. Some types of particles (in particular, the cells of phytoplankton, also referred to as algae) can also contain substances that absorb certain wavelengths of light, which alters its characteristics.. The most important light-absorbing substance in the oceans is chlorophyll, which phytoplankton use to produce carbon by photosynthesis.. Due to this green pigment - chlorophyll - phytoplankton preferentially absorb the red and blue portions of the light spectrum (for photosynthesis) and reflect green light.. So, the ocean over regions with high concentrations of phytoplankton will appear as certain shades, from blue-green to green, depending upon the type and density of the phytoplankton population there.. There are other substances that may be found dissolved in the water that can also absorb light.. Changes in the trends for a given phytoplankton population, such as its density, distribution, and rate of population growth or diminishment, will alert Earth scientists that environmental conditions are changing there.. The turquoise swirls of the Malvinas Current are likely colored by a bloom of coccolithophorids.. As the coccolithophorids are dispersed and sink in deeper, clearer ocean water, the color of the water deepens to azure.. Because these rivers carry less sediment than the larger Uruguay and Parana rivers, Bahia Blanca has clearer water, and the brown sediment color inland transforms to light green along the coast.. In this case, the color seen from space may also be influenced by the reflection of light from the shallow sea floor.. Though this is clearly a phytoplankton bloom, the green color of chlorophyll does not vary much between the multitude of phytoplankton species found in the ocean.
Is pure water really clear? Not really—even pure water is not colorless, but has a slight blue tint to it. In the natural world you often see water that is definitely not clear. Sediment and organics color natural water shades of brown or green. And if too much iron in present, even your drinking water can have a brown hue. Read on to investigate water color in the environment.
Color in drinking water can be caused by dissolved and suspended materials, and a brown shade in water often comes from rust in the water pipes.. Natural water will never be totally clear, but will have some amount of color.Most of the color in water you see around you comes from suspended material (pictured above on the right) of a tributary contributing highly-turbid water containing suspended sediment (fine particles of clay) to clearer, but still colored, water in the main stem of the river.. Even though the muddy water would not be appealing to swim in, in a way that water has less color than the water containing dissolved tannins.. Color in drinking water can be caused by dissolved and suspended materials, and a brown shade in water often comes from rust in the water pipes.. Most of the color in water you see around you comes from suspended material (pictured above on the right) of a tributary contributing highly-turbid water containing suspended sediment (fine particles of clay) to clearer, but still colored, water in the main stem of the river.
By: Cheryl Rosa, DVM, PhD, Deputy Director/Alaska Director, U.S. Arctic Research Commission
Much of the scientific discourse on water is focused on its quality but researchers have recently found that water quantity is also a factor critical to health in Alaska's rural villages.. "The Alaska Water and Sewer Challenge" is a request for proposals (RFP) intended to spur worldwide research to develop innovative and cost-effective water and sewer systems for homes in remote Alaska villages.. The ultimate goals are a decrease in capital and user costs of in-home running water and sewer in rural Alaska homes and improvements in health outcomes.. There are a variety of entities in Alaska working towards improving health outcomes in rural Alaska by providing and improving water services in villages.. Called the Alaska Rural Water and Sanitation Workgroup, their work is directly applicable to USARC's priority goal of Arctic Human Health.