 |
|
Satellite data reveals extreme summer snowmelt in northern Greenland, CCNY professor says
October 09, 2008The northern part of the Greenland ice sheet experienced extreme snowmelt during the summer of 2008, with large portions of the area subject to record melting days, according to Dr. Marco Tedesco, Assistant Professor of Earth & Atmospheric Sciences at The City College of New York (CCNY), and colleagues. Their conclusion is based on an analysis of microwave brightness temperature recorded by the Special Sensor Microwave Imager (SSM/I) onboard the F13 satellite.
"Having such extreme melting so far north, where it is usually colder than the southern regions is extremely interesting," Professor Tedesco said. "In 2007, the record occurred in southern Greenland, mostly at high elevation areas where in 2008 extreme snowmelt occurred along the northern coast."
"The results obtained from SSM/I are consistent with the outputs of the MAR (Modèl Atmosphérique Régional) regional climate model, which indicated runoff 88 percent higher than the 1979 - 2007 mean and close to the 2007 value," Professor Tedesco noted. In addition, analysis of ground measurements from World Meteorological Organization automatic weather stations located close to where the record snowmelt was observed indicate surface/air maximum temperatures up to 3° Celsius above average.
The snowmelt and temperature anomalies occurred near Ellesmere Island, where several ice shelf break-ups were observed this summer. The region where the record melting days were recorded includes the Petermann glacier, which lost 29 square kilometers in July.
Professor Tedesco and his colleagues are currently analyzing possible causes for the high snowmelt in northern Greenland. High surface temperatures are, so far, the most evident factor. However other factors, such as solar radiation, could play a role, as well, he noted.
"The consistency of satellite, model and ground-based results provides a basis for a more robust analysis and synthesis tool," Professor Tedesco added. Next June, he and his colleagues plan to conduct field work in northern Greenland.
The City College of The City University of New York
Snowmelt Current Events and Snowmelt News RSSDesert dust alters ecology of Colorado alpine meadows
Accelerated snowmelt--precipitated by desert dust blowing into the mountains--changes how alpine plants respond to seasonal climate cues that regulate their life cycles.
Alaska researchers contribute to national climate change report
Two University of the Alaska Fairbanks researchers are among key contributors to a new national report that details visible effects of climate change in the United States and how today's choices stand to affect the future.
New study links western tree mortality to warming temperatures, water stress
A new study led by the U.S. Geological Survey and involving the University of Colorado at Boulder indicates tree deaths in the West's old-growth forests have more than doubled in recent decades, likely from regional warming and related drought conditions.
Dirty snow causes early runoff in Cascades, Rockies
Soot from pollution causes winter snowpacks to warm, shrink and warm some more. This continuous cycle sends snowmelt streaming down mountains as much as a month early, a new study finds.
Climate change effects on imperiled Sierra frog examined
Climate change can have significant impacts on high-elevation lakes and imperiled Sierra Nevada Yellow-legged frogs that depend upon them, according to U.S. Forest Service and University of California, Berkeley, scientists.
Wildfires result in loss of forests reserved by Northwest Forest Plan
Although the Northwest Forest Plan (NWFP) significantly reduced cutting of old-growth forests on federal land, forests in the driest regions are now at greater risk of being lost to wildfire than to logging.
Stanford researchers: Global warming is killing frogs and salamanders in Yellowstone Park
Frogs and salamanders, those amphibious bellwethers of environmental danger, are being killed in Yellowstone National Park. The predator, Stanford researchers say, is global warming.
Earthworm activity can alter forests' carbon-carrying capabilities
Earthworms can change the chemical nature of the carbon in North American forest litter and soils, potentially affecting the amount of carbon stored in forests, according to Purdue University researchers.
Study: Future snowmelt in West twice as early as expected; threatens ecosystems and water reserves
According to a new study, global warming could lead to larger changes in snowmelt in the western United States than was previously thought, possibly increasing wildfire risk and creating new water management challenges for agriculture, ecosystems and urban populations.
Warmer springs mean less snow, fewer flowers in the Rockies
Spring in the Rockies begins when the snowpack melts. But with the advent of global climate change, the snow is gone sooner. Research conducted on the region's wildflowers shows some plants are blooming less because of it.
More Snowmelt Current Events and Snowmelt News Articles
|
Intercomparison of Models of Snowmelt Runoff (Wmo, No 646) by World Meteorological Organization (Other Contributor) | |
 |
Upper and Lower Yosemite Falls, Swollen by Summer Snowmelt, Yosemite National Park, California Photographic Poster Print by Ruth Tomlinson, 40x30 by Art.com Art.com is the world's largest retailer of art prints, posters, photographs, and framed artwork. With our huge selection of over 400,000 prints, you'll easily find the perfect piece for your home, office, or classroom. Our art is printed on quality paper. When you order framed artwork, the piece is built by our team of in-house professionals. Visit our Amazon store today at www.amazon.com/artdotcom to find Special Offers and search for products based on 'Artist Name' and 'Subject Categories' such as Movie, Music, Vintage, TV, Children, Travel, Kitchen, Museum Art, Animals, Floral, Motivational, and Sports. Art.com is dedicated to providing you with high quality products and service by offering you 100% satisfaction guaranteed. We ship internationally to over 80 countries. Decorate your... |
 |
Snowmelt in the Cascades Don Lange (Primary Contributor) |
 |
Snowmelt Timberdoodles: and Other Excursions by Herschel Raney (Author) Memory is the electric skeleton for the visual life. Here are trips into marshes and swamps, forests and stream valleys and the associations triggered from such simple experiences. Whether we go to forget or to remember, these are the traces of one walker’s year among insects and birds, through the seasons in the Mississippi and Arkansas River Valleys. Neither biography nor diary, it is at times personal narrative and at times just the moment conveyed as purely as possible. We are sometimes only what we have seen and who we recall in the seeing. It is the joy of going, even for an hour. This is the come-back-and-tell-it part. Among dogs, armadillos, songbirds and children, sometimes it is best just to be humble and stay out of the way. Sometimes you laugh and write it down. |
 |
Takakkaw Falls Swollen by Summer Snowmelt, British Columbia (B.C.), Canada Photographic Poster Print by Ruth Tomlinson, 24x24 by Art.com Art.com is the world's largest retailer of art prints, posters, photographs, and framed artwork. With our huge selection of over 400,000 prints, you'll easily find the perfect piece for your home, office, or classroom. Our art is printed on quality paper. When you order framed artwork, the piece is built by our team of in-house professionals. Visit our Amazon store today at www.amazon.com/artdotcom to find Special Offers and search for products based on 'Artist Name' and 'Subject Categories' such as Movie, Music, Vintage, TV, Children, Travel, Kitchen, Museum Art, Animals, Floral, Motivational, and Sports. Art.com is dedicated to providing you with high quality products and service by offering you 100% satisfaction guaranteed. We ship internationally to over 80 countries. Decorate your... |
 |
Runoff From Snowmelt: Engineering Water Control Flood: USACE Engineer Reference Manual on CD-ROM by WVNAVY This manual provides technical background and guidance for computing basin snowmelt runoff as is necessary in the design and operation of U.S. Army Corps of Engineers (USACE) water control projects. This manual discusses the basic theoretical principles of snow hydrology and the practical applications of this theory in forecasting and design. It summarizes several important snowmelt runoff models and offers guidelines for model selection. This manual represents an update of EM 1110-2-1406, Runoff from Snowmelt, dated 5 January 1960, which is now obsolete. While many of the basic principles and techniques presented in that manual have been retained, numerous advancements in computer, communications, and data acquisition technologies are now reflected. This manual is applicable to USACE... |
![Metal concentrations in Kandalaksha Bay, White Sea (Russia) following the spring snowmelt [An article from: Environmental Pollution]](http://ecx.images-amazon.com/images/I/51FYG4STACL._SL160_.jpg) |
Metal concentrations in Kandalaksha Bay, White Sea (Russia) following the spring snowmelt [An article from: Environmental Pollution] by A. Cobelo-Garcia (Author), G.E. Millward (Author), R. Prego (Author), Lukashi (Author) This digital document is a journal article from Environmental Pollution, published by Elsevier in 2006. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser. Description: Elevated concentrations of dissolved and particulate Cd, Cu, Pb and Zn have been determined in the waters of Kandalaksha Bay (White Sea, Russia), following the ice melt in the spring of 2000. Dissolved metal maxima in the surface waters were observed at some stations and concentrations generally decreased with depth. The suspended particulate matter (SPM) comprised a non-lithogenic fraction in the range 12-83%, and had elevated metal concentrations that showed no trend with depth or salinity and was... |
 |
Takakkaw Falls Swollen by Summer Snowmelt, British Columbia (B.C.), Canada Art Photographic Poster Print by Ruth Tomlinson, 30x40 by AllPosters.com AllPosters.com is the world's #1 seller of posters, prints, photographs, specialty products and framed art. We're dedicated to bringing our customers the best selection of high quality wall décor that is perfect for their home or office. Browse our catalog of over 300,000 items that include entertainment and specialty posters, decorative prints, and art reproductions. Whether you're looking for your favorite movie or music poster, a framed Monet reproduction, or a print of the Eiffel Tower you will find it at AllPosters.com. Visit our Amazon store today at www.amazon.com/allposters to find Special Offers and search by subject category or artist. AllPosters.com provides unmatched service with a 100% satisfaction guarantee. We ship internationally to over 80 countries. Decorate your... |
|
Snowmelt hydrology of a Sierra Nevada stream by S. E. Rantz (Author) | |
 |
The Fast-Flowing Tokumm Creek Swollen by Summer Snowmelt, British Columbia (B.C.), Canada Photographic Poster Print by Ruth Tomlinson, 40x30 by Art.com Art.com is the world's largest retailer of art prints, posters, photographs, and framed artwork. With our huge selection of over 400,000 prints, you'll easily find the perfect piece for your home, office, or classroom. Our art is printed on quality paper. When you order framed artwork, the piece is built by our team of in-house professionals. Visit our Amazon store today at www.amazon.com/artdotcom to find Special Offers and search for products based on 'Artist Name' and 'Subject Categories' such as Movie, Music, Vintage, TV, Children, Travel, Kitchen, Museum Art, Animals, Floral, Motivational, and Sports. Art.com is dedicated to providing you with high quality products and service by offering you 100% satisfaction guaranteed. We ship internationally to over 80 countries. Decorate your... |
| © 2009 BrightSurf.com |