Zobrazeno 1 - 10 of 524 pro vyhledávání: '"E. Alsdorf"'
1
Akademický článek
The future of Earth observation in hydrology
Autor: M. F. McCabe, M. Rodell, D. E. Alsdorf, D. G. Miralles, R. Uijlenhoet, W. Wagner, A. Lucieer, R. Houborg, N. E. C. Verhoest, T. E. Franz, J. Shi, H. Gao, E. F. Wood
Publikováno v: Hydrology and Earth System Sciences, Vol 21, Pp 3879-3914 (2017)
In just the past 5 years, the field of Earth observation has progressed beyond the offerings of conventional space-agency-based platforms to include a plethora of sensing opportunities afforded by CubeSats, unmanned aerial vehicles (UAVs), and smartp
Externí odkaz: https://doaj.org/article/74d39a8832244f90be7d39eece709056
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2
Akademický článek
Satellite magnetic anomalies of the Antarctic crust
Autor: D. E. Alsdorf, C. A. Raymond, M. E. Purucker, P. T. Taylor, J. W. Kim, L. Tan, H.R. Kim, R. R. B. von Frese
Publikováno v: Annals of Geophysics, Vol 43, Iss 2 (2000)
Spatially and temporally static crustal magnetic anomalies are contaminated by static core field effects above spherical harmonic degree 12 and dynamic, large-amplitude external fields. To extract crustal magnetic anomalies from the measurements of N
Externí odkaz: https://doaj.org/article/2ee2022a7cef40b586bd0062f620d411
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4
Tracking Fresh Water from Space
Autor: Douglas E. Alsdorf, Dennis P. Lettenmaier
Publikováno v: Science. 301:1491-1494
Stream flow is traditionally monitored with channel gauges that measure the water height. This method is costly, often not implemented in remote regions, and incapable of measuring flow on floodplains and wetlands. Without these observations, global
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8c1d700c28195e67a707984c113672ca
https://doi.org/10.1126/science.1089802
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5
Water Storage of the Central Amazon Floodplain Measured with GIS and Remote Sensing Imagery
Autor: Douglas E. Alsdorf
Publikováno v: Annals of the Association of American Geographers. 93:55-66
Interferometric processing of a Space Shuttle–based swath of synthetic aperture radar (SAR) data collected over the central Amazon floodplain reveals one-day decreases in water levels ranging from 1 to 11 cm in mid-October 1994. The decreases, plot
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cddbd9d1b23ce6be46413479919b6dc1
https://doi.org/10.1111/1467-8306.93105
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6
Controls on Eurasian coastal sea ice formation, melt onset and decay from ERS scatterometry: regional contrasts and effects of river influx
Autor: Douglas E. Alsdorf, Laurence C. Smith, Karen E. Frey
Publikováno v: International Journal of Remote Sensing. 24:5283-5315
Regional and local patterns in the formation, melt onset and disappearance of coastal first-year sea ice (FYI) are observed in the Eurasian Arctic using the C-band (5.3 GHz) European Remote Sensing Satellite (ERS) radar scatterometers. Near-daily tim
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d5f30f5fe9fc135dab2506920f13f168
https://doi.org/10.1080/0143116031000101684
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7
A high temporal resolution data set of ERS scatterometer radar backscatter for research in Arctic and sub-Arctic regions
Autor: Karen E. Frey, Laurence C. Smith, Douglas E. Alsdorf, Yongwei Sheng
Publikováno v: Polar Record. 38:115-120
Radar backscatter in Arctic and sub-Arctic regions is temporally dynamic and reflects changes in sea ice, glacier facies, soil thaw state, vegetation cover, and moisture content. Wind scatterometers on the ERS-1 and ERS-2 satellites have amassed a gl
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ea38e089190dec9bb481d411e2b4fd45
https://doi.org/10.1017/s0032247400017502
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