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What's hot in the news around climate and sea ice and what are scientists talking about now?
When scientists talk about the cryosphere, they mean the places on Earth where water is in its solid form, frozen into ice or snow.
Map of Antarctic bedrock elevation now available in Atlas of the Cryosphere
Release Date: January 9, 2009
The following map of Antarctica's bedrock elevation (the elevation of the solid
land beneath the ice sheet) is now available in the Atlas of the Cryosphere
Lythe, M. B., D. G. Vaughan, and the BEDMAP Consortium. 2000. . Cambridge, United Kingdom:
British Antarctic Survey. Digital Media. Accessed 28 June 2008.
The BEDMAP project compiled the available ice thickness measurements over Antarctica
to produce a topographic model of the bed of the Antarctic ice sheet. This map
is compiled at 5 km resolution from ground-based and airborne surveys collected
over the period , primarily from radar and seismic sounding as well
as gravimetric measurements. Elevations are reported relative to the OSU91A
Below are images of both the Antarctic and Greenland (Bamber et al. 2001) bedrock
elevation maps available through the Atlas of the Cryosphere. The color scale
of the latter has been slightly modified to allow for easier qualitative comparison
between the two ice sheets. Note that shades of orange are above average sea
level while those in shades of gray are below average sea level.
Bedrock elevation of the Antarctic (left) and Greenland
(right) ice sheets. Click on either image to view the map in the Atlas of the
Cryosphere Web interface (this will open in a new page).
In addition to accessing the Antarctic BEDMAP data set through the Atlas of
the Cryosphere Web interface, it is also available remotely in a variety of
formats and map projections through Open Geospatial Consortium ()
protocols, as in the following examples:
Web Map Service (WMS): , ,
Web Coverage Service (WCS): , ,
We welcome your feedback on this project. If you have questions, comments or
suggestions, please contact NSIDC User Services at +1.303.492.6199, ,
or via our . The development
of this map server application was supported by NASA's Earth Observing System
() Program under contract NAS5-03099 and
was developed using , an
Open Source development environment for building spatially-enabled internet
applications. The Atlas of the Cryosphere was developed by . Future updates will continue to be announced on this .
References
Lythe, M. B., D. G. Vaughan, and the BEDMAP Consortium. 2000. . Cambridge, United Kingdom: British
Antarctic Survey. Digital Media. Accessed 28 June 2008.
Bamber, J.L., R.L. Layberry, S.P. Gogenini. 2001. . Journal of Geophysical Research.
106(D24): . Data provided by the National Snow and Ice Data
Center DAAC, University of Colorado, Boulder, Colorado USA. Available at .
Accessed 25 October 2006.
Bamber, J.L., R.L. Layberry, S.P. Gogenini. 2001. . Journal of Geophysical Research.
106(D24): . Data provided by the National Snow and Ice Data
Center DAAC, University of Colorado, Boulder, Colorado USA. Available at .
25 October 2006.Nebraska Maps
Nebraska Map Collection
Nebraska County Map:
This map shows Nebraska's 93 counties.
Also available is a detailed
with county seat cities.
Map of Nebraska Cities:
This map shows many of Nebraska's important cities and most important roads.
The important east - west route is Interstate 80.
We also have a more detailed .
Nebraska Physical Map:
This Nebraska shaded relief map shows the major physical features of the state.
For other nice views of the state see ,
by google.
Nebraska Rivers Map:
This map shows the major streams and rivers of Nebraska and some of the larger lakes.
Nebraska is in the Gulf of Mexico Watershed and the topography is a plain that gently slopes to the east.
The rivers and streams follow this slope and mostly drain into the Missouri River which forms the eastern boundary of the state. Most of these lakes and streams can be clearly seen on the . We also have a page about .
Nebraska Elevation Map:
This is a generalized topographic map of Nebraska. It shows elevation trends across the state.
are available in
See our state high points map to learn about Panorama Point at 5,424 feet - the . The lowest point is the Missouri River at 840 feet.
Copyright information:
The maps on this page were composed by Brad Cole . These maps are copyright by
and may not be used beyond our websites. If you want to share these maps with others please link to this page.
They were created using data licensed from and copyright by Map Resources.relief map
[ri'li:f maep]
[r?'lif maep]
地形图，立体地图
大家都在背：
1. Today enough soundings are available to enable a relief map of the Atlantic to be drawn.
今天可以得到足够的水深资料来绘制大西洋的海底地形图.
来自辞典例句
2. Finally, we use the EEG relief map to demonstrate the result.
最后, 我们采用脑电彩色地形图的方式对我们的研究结果进行展示.
来自互联网
3. Eight Immortals crossing the sea front relief map, carved Gong fine, realistic image, to preserve integrity.
正面浮雕八仙过海图, 刻功精细, 形象逼真, 保存完整.
来自互联网
1. a map having contour lines through points of equal elevation
1.立体地图
2.以三维的实体形式表示地表形态的地面模型。
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relief map
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