Last edited by Grosar
Monday, November 16, 2020 | History

2 edition of Glacial movements in Greenland from Doppler satellite observations found in the catalog.

Glacial movements in Greenland from Doppler satellite observations

Alice Jean Remington Drew

Glacial movements in Greenland from Doppler satellite observations

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  • 7 Currently reading

Published by Institute of Polar Studies, Ohio State University in Columbus, Ohio .
Written in English

    Places:
  • Greenland
    • Subjects:
    • Ice sheets -- Greenland -- Remote sensing.,
    • Astronautics in glaciology.

    • Edition Notes

      Statementby Alice Jean Remington Drew.
      SeriesReport / Institute of Polar Studies ;, no. 82, Report (Ohio State University. Institute of Polar Studies) ;, no. 82.
      Classifications
      LC ClassificationsGB2596.5 .D74 1983
      The Physical Object
      Paginationx, 64 p. :
      Number of Pages64
      ID Numbers
      Open LibraryOL3003766M
      LC Control Number84623117

      Satellite images from areas along the coasts of Greenland. The images are updated several times a day. The images are delivered by the the University of Dundee, Scotland (the green images) and by NASA's Goddard Space Flight Center. The NOAA images are infrared images from DMI's own receiving stations. The Sentinel-1 images are from Europe's. Surface Topography of the Greenland Ice Sheet from Satellite Radar Altimetry. NASA SP [R. A., Zwally, H. Jay., Major, Judith A., and Brenner, Anita C.   The stability of the West Antarctic Ice Sheet is an issue of active research and societal concern because of the potential economic impact resulting from an increase in global sea level. The West Antarctic Ice Sheet, riddled with deep crevasses and . This dataset follows the path of NOAA, the morning satellite, and displays the IR data that the satellite collects over a 13 hour period on Febru The IR data is overlaid on top of the NASA blue marble image. The satellite is able to provide full coverage of the Earth in less than 13 hours.

      Glaciers and ice caps outside of Antarctica and Greenland melted enough to raise sea levels by inches ( millimeters) per year between and , according to an analysis of satellite.


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Glacial movements in Greenland from Doppler satellite observations by Alice Jean Remington Drew Download PDF EPUB FB2

Glacial movements in Greenland from Doppler satellite observations. Columbus, Ohio: Institute of Polar Studies, Ohio State University, (OCoLC) Material Type: Thesis/dissertation, Government publication, State or province government publication: Document Type: Book: All Authors / Contributors: Alice Jean Remington Drew.

The Gentians of Canada, Alaska and Greenland by John M. Gillett: The Girl in the Ice by Lotte Hammer: Glacial Movements in Greenland from Doppler Satellite Observations by Alice Jean Remington Drew: God's Daughter by Heather Day Gilbert: The Great Warming: Climate Change and the Rise and Fall of Civilizations by Brian Fagan: Greenland by Anker.

The Scientific Observations of the Ross Sea Party of the Imperial Trans-Antarctic Expedition, Glacial Movements in Greenland from Doppler Satellite Observations by Alice Jean Remington Drew: Like many concepts in the book world, "series" is a somewhat fluid and contested notion.

Active (imaging radar) and passive (radiometer) microwave systems are increasingly used for Arctic ecological research. Unfortunately, until now ecologists interested in remote sensing often lacked access to the full suite of physical and analytical techniques of microwave systems, data processing, and ecological applications because a suitable reference book did not by: 3.

greenland by anker weidick with a section on landsat images of greenland by richard s. williams, jr., and jane g. ferrigno satellite image atlas of glaciers of the world edited by richard s.

williams, jr., and jane g. ferrigno u.s. geological survey professional paper c. The present study utilises different satellite and ground-based geodetic observations in order to assess the current evolution of the Greenland Ice Sheet (GIS).

Satellite gravimetry data acquired by the Gravity Recovery and Climate Experiment are used to derive ice-mass changes for the period from to The inferred time series are investigated regarding long-term, seasonal and Cited by: Current plate motions based on Doppler satellite observations: Authors: Anderle, R About 50% of the Doppler observations made on a Navy Navigation Satellite over a nine year period were analyzed to determine the motion of eight sites on the North American plate and 12 sites on seven other plates.

Processing of the balance of the data on. Combined polarimetric Doppler radar and satellite scatterometer observations of organized convection near coastal regions Timothy Lang George Priftis, Themis Chronis.

The Greenland ice sheet contains enough water to increase global sea levels by 6–7 m (Cuffey and Marshall ).Satellite observations have identified a warming trend in the Arctic since the early s (Comiso ), and extensive and prolonged melt events over Greenland have also been observed by satellites in the last three decades (MoteNghiem et alAbdalati and Steffen.

Several studies have investigated short-term frontal changes of glaciers on the southeast coast of Greenland and almost all have been limited to satellite imag20,21,Cited by:   Satellite System Tracks Glaciers' Flow in Real Time.

The system is helping scientists understand how quickly glaciers and ice sheets will melt, and Author: Jeff Tollefson. Oesterwinter C. () Polar Motion Through from Doppler Satellite Observations. In: McCarthy D.D., Pilkington J.D.H. (eds) Time and the Earth’s Rotation.

International Astronomical Union (Symposium No, Proceedings of the 82nd Symposium of the International Astronomical Union Held in San Fernando, Spain, 8–12 May, ), vol Cited by: 8. About 50% of the Doppler observations made on a Navy Navigation Satellite over a 9 year period were analyzed to determine the motion of 8 sites on the North American plate and 12 sites on 7 other p Cited by: These small glaciers and ice caps, referred to here as glaciers, are all land ice that is not part of the Greenland and Antarctic ice sheets.

The term ice sheet is used only for the Greenland and Antarctic ice sheets. However, sincethe Greenland and Antarctic ice sheets have begun to contribute more. Satellite Gravity Measurements Confirm Accelerated Melting of Greenland Ice Sheet J. Chen,1* C. Wilson,1,2 B. Tapley1 Using time-variable gravity measurements from the Gravity Recovery.

nasa satellite data help fix glaciers' role in sea level rise 99% of all of Earth's land ice is locked into the Greenland and Antarctic ice sheets. But from tothe world's other glaciers contributed just as much to sea level rise as the two ice sheets combined.

The purpose of this site is to expose NASA satellite data and research on Arctic change, in the form of maps that illustrate the changes taking place in the Arctic over time. A high-speed internet connection is recommended for map viewing.

This site is presented with support from NASA Earth Sciences. Near-Surface Air Temperatures. Outlet glaciers—which serve to drain ice from ice sheets—seem to be dynamically less stable in North Greenland than in South Greenland1,2,3. Storstrømmen, a large outlet glacier in.

A statistical retrieval algorithm based on the back‐propagation (BP) neural networks is proposed to estimate sea surface barometric pressure using the observations from the Advanced Technology Microwave Sounder (ATMS) onboard the Suomi‐National Polar‐Orbiting Operational Environmental Satellite System Preparatory Project (SNPP) by: 1.

The ICESat elevation changes, shown in Fig. 1a, are computed from more than 5 million cross-over measurements using thirteen fully calibrated (RL) campaign data sets. A campaign bias of cm/yr was removed based on the value obtained by minimizing the elevation changes measured in the most arid region of East Antarctica (i.e., areas with less than 2 cm water equivalent height per year of Cited by: A Satellite View Of Glacial Melting.

Greenland lost a lot of ice this summer. In this timelapse video, an iceberg 12 square miles in size breaks off from the glacier and drifts away. Glacier Mapping using Earth Observation Satellites.

10 percent of land area on Earth is covered with glacial ice, including glaciers, ice caps, and the ice sheets of Greenland and Antarctica. Of course due to climate change this percentage decrease unfortunately.

(satellite, aircraft) using sensors that operate in different spectral. Tide model accuracy in the Amundsen Sea,Antarctica, from radar interferometry observations of ice shelf motion M.

McMillan,1,2 A. Shepherd,1 P. Nienow,2 and A. Leeson1 Received 13 May ; revised 10 August ; accepted 15 August ; published 5 November Satellite observations of Antarctic sea ice thickness and volume We utilize satellite laser altimetry data from ICESat combined with passive mi-crowave measurements to analyze basin-wide changes in Antarctic sea ice thickness and volume over a 5 year period from Due to the large number of observations taken, the uncertainties.

At some time between May 9,when the Landsat 8 satellite acquired this image (left), and June 1,when it acquired the right image, the glacier shed a significant amount of : Live Science Staff. Satellite Image Atlas of Glaciers of the World By Richard S. Williams, Jr., and Jane G. Ferrigno meters is the range of sea-level changes that can be caused by water being frozen in glaciers during an ice age (glacial stage) or melted during an interglacial stage.

For example, during the last glacial maximum (LGM), ab years. A new NASA study finds that during Greenland's hottest summers on record, andthe ice in Rink Glacier on the island's west coast didn't just melt faster than usual, it slid through the glacier's interior in a gigantic wave, like a warmed freezer pop sliding out of its plastic casing.

The wave persisted for four months, with ice from upstream continuing to move down to replace the. Fig. 2 gives an enhanced view of the GRACE-estimated long-term mass changes in the GOA region. The locations of the Gulkana and Wolverine glaciers, two USGS benchmark glaciers, are marked by white triangles.

These are two relatively small glaciers (of ∼ 20 and 19 km 2 in area, respectively). The locations of five largest glaciers (with area over km 2) in the GOA region are marked by Cited by:   Warming oceans and air temperatures are having an impact on many of Greenland's glaciers, as the land mass is melting so rapidly it contributed to a.

that followed the Last Glacial Maximum (LGM), "20, years ago. Observations of the rebound can provide information about the temporal and spatial patterns of that deglaciation, as well as about the Earth’s viscosity profile.

Greenland lost considerable ice during this degla-ciation period. However, because it is still largely ice. Mass changes of the Greenland Ice Sheet resolved by drainage system regions were derived from a local mass concentration analysis of NASA Deutsches Zentrum für Luft- und Raumfahrt Gravity Recovery and Climate Experiment (GRACE mission) observations.

The Greenland ice sheet contains enough water to increase global sea levels by 6–7 m (Cuffey and Marshall). Satellite observations have identified a warming trend in the Arctic since the early s (Comiso), and extensive and prolonged melt events over Greenland have also been observed by satellites in the last three decades (Mote Gravity is putting its thumb on the scale of sea level rise along the U.S.

East Coast, a study tracing the effects of Greenland ice-melt shows. The recent work reveals a substantial acceleration in sea level rise, roughly from Philadelphia south, starting in the late 20 th century.

And it is likely a strong confirmation of sea-level “fingerprints,” one of the most counter-intuitive. Timing of the onset of the first observations is uncertain. b, Reconstructed accumulation averaged for the two study regi15, with east shown in orange and west in green.

c, Station-based. Satellite radar interferometry reveals that the speed of the Ryder Glacier increased roughly threefold and then returned to normal ( to meters/year) over a 7-week period near the end of the melt season.

The accelerated flow represents a substantial, though short-lived, change in ice discharge. During the period of rapid motion, meltwater-filled supraglacial lakes may have drained.

Observation of glacial isostatic adjustment in ‘‘stable’’ North America with GPS Giovanni F. Sella,1 Seth Stein,2 Timothy H. Dixon,3 Michael Craymer,4 Thomas S. James,5 Stephane Mazzotti,5 and Roy K. Dokka6 Received 1 June ; revised 31 August ; accepted 6. A NASA mission to map Greenland’s glaciers on an unprecedented scale is akin to a “classical experiment,” says Josh Willis, principal investigator for the aptly named “Oceans Melting Greenland (OMG)” project.

Willis recently joined a seven-member team on its aerial survey of Greenland’s coast, climbing aboard a NASA G-III plane that is mounted with a radar interferometry.

Abstract Measurements of vertical crustal uplift from bedrock sites around the edge of the Greenland ice sheet (GrIS) can be used to constrain present day mass loss. Interpreting any observed crustal displacement around the GrIS in terms of present day changes in ice is complicated, however, by the glacial isostatic adjustment (GIA) signal.

Daily Observations Seasonal and Long-term Observations; Arctic ice concentration maps from SSMI (NERSC); Data for downloading: Arctic Ice Concentration data () (NERSC) Data for downloading: Total daily sea ice area and extent in the Arctic (>present) (NERSC) Monthly sea ice area and extent from to present (NERSC); Total monthly sea ice area and extent in Arctic (NERSC).

Weather observations for Greenland over the past 24 hours including a map to view recent weather data, timeline and observations table. Results from a coupled atmosphere-ocean general circulation model simulation of the Last Glacial Maximum reveal annual mean continental cooling between 48 and 78C over tropical landmasses, up to of cooling over the Laurentide ice sheet, and a global mean temperature depression of C.

The simulation incorporates glacial ice sheets. For years NASA has tracked changes in the massive Greenland Ice Sheet. This week scientists using NASA data released the most detailed picture ever of how the ice sheet moves toward the sea and new insights into the hidden plumbing of melt water flowing under the snowy surface.does not depend on GRACE or satellite gravimetry, in Sect.

we discuss the possible consequences of a new glacial isostatic adjustment model that was recently published and in Sect.

4 we discuss the outlook for future research on Greenland’s mass balance. 2 Mass Loss Trend and Acceleration of the Greenland Ice Sheet.