By Ute Christina Herzfeld
Although it really is in most cases understood that the Antarctic Ice Sheet performs a severe position within the altering international method, thus far there's a normal loss of on hand details at the topic. The Atlas of Antarctica is the 1st atlas at the 7th continent to be released in two decades. It comprises a hundred forty five exact topographic and elevation maps derived from satellite tv for pc info (GEOSAT and ERS-1 radar altimeter data), that are the simplest in their sort to be had this present day. every one map is observed through an outline of geographic and glaciological features.
The introductory chapters familiarise the reader with the area of the Antarctic Ice Sheet and its function within the worldwide procedure, in addition to discussing satellite tv for pc distant sensing and geo-statistical equipment at textbook point. purposes contain distinctive neighborhood reviews of 15 outlet glaciers of the inland ice, a few of that are at present altering swiftly. combos with SAR information facilitate the research of floor buildings and circulation features.
Despite its state of the art clinical accuracy, the Atlas of Antarctica isn't just meant to be used by means of researchers and scholars in glaciology, geophysics, distant sensing, cartography and Antarctic learn, but in addition informative and relaxing for any reader attracted to the 7th continent. The Atlas is observed by way of a CD-ROM containing all of the atlas maps and elevation types – allowing the reader to find a wealth of interesting information in Antarctica!
Read Online or Download Atlas of Antarctica: Topographic Maps from Geostatistical Analysis of Satellite Radar Altimeter Data PDF
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Additional info for Atlas of Antarctica: Topographic Maps from Geostatistical Analysis of Satellite Radar Altimeter Data
A footprint of 1-10 km satisﬁes the criteria for the sea surface. The footprint of an antenna is described in terms of the beam-limited footprint, deﬁned to be the area on the surface within the ﬁeld of view induced by the beam width (full width at half power) of the antenna gain pattern. 2 − 7). Attenuation through a cloud-free atmosphere follows Raleigh scattering (because atmospheric gas molecules are much smaller than radar wavelength). Cloud attenuation. Clouds are opaque to infrared and visible radiation, but relatively transparent to microwave radiation.
The ice surface has also numerous surface features that vary locally, such as crevasses, sastrugi, meltwater streams, and long-wave features induced by ice riding over a rough bedrock, the spacing of surface features varies from centimeters to kilometers. In this section, methods developed speciﬁcally for processing of satellite radar altimeter data over ice surfaces are introduced. 1) “Corrections applied to satellite radar altimeter data for ice surface mapping”, only those methods that are used in the data set underlying the Antarctic Atlas are mentioned, and also presented in a simpler context, for the reader who may be less familiar with or interested in remote-sensing techniques.
3) The Solution: The Antarctic Atlas Mapping Scheme The solution to these requirements lies in mapping the Antarctic continent by an atlas, which consists of many individual maps that have orthogonal coordinates, a suﬃciently large scale and resolution, are organized in latitudinal rows and have suﬃcient overlap to show not only each point, but each feature with a neighbourhood on at least one map. The Antarctic Atlas Mapping Scheme has all these properties. 1)) is utilized for all maps, and standard central meridians are employed.
Atlas of Antarctica: Topographic Maps from Geostatistical Analysis of Satellite Radar Altimeter Data by Ute Christina Herzfeld