Potential of satellite‐based land emissivity estimates for the detection of high‐latitude freeze and thaw states

Prakash, Satya; Norouzi, Hamid; Azarderakhsh, Marzi; Blake, Reginald; Khanbilvardi, Reza

doi:10.1002/2017gl072560

i

Potential of satellite‐based land emissivity estimates for the detection of high‐latitude freeze and thaw states

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2017
By Prakash, Satya ; Norouzi, Hamid ; Azarderakhsh, Marzi ; ...

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Journal Title:

Geophysical Research Letters
Personal Author:

Prakash, Satya ; Norouzi, Hamid ; Azarderakhsh, Marzi ; Blake, Reginald ; Khanbilvardi, Reza
NOAA Program & Office:

CESSRST (Cooperative Science Center for Earth System Sciences and Remote Sensing Technologies)
Description:

Reliable detection of freeze and thaw (FT) states is crucial for the terrestrial water cycle, biogeochemical transitions, carbon and methane feedback to the atmosphere, and for the surface energy budget and its associated impacts on the global climate system. This paper is novel in that for the ﬁrst time a unique approach to examine the potential of passive microwave remotely sensed land emissivity and itsadded values of being free from the atmospheric effects and being sensitive to surface characteristics is being applied to the detection of FT states for latitudes north of 35°N. Since accurate characterizations of the soil state are highly dependent on land cover types, a novel threshold-based approach speci ﬁc to different land cover types is proposed for daily FT detection from the use of 3 years (August 2012 to July 2015) of
Keywords:

General Earth And Planetary Sciences Geophysics General Earth And Planetary Sciences General Earth And Planetary Sciences
Source:

Geophysical Research Letters, 44(5), 2336-2342
DOI:

https://doi.org/10.1002/2017gl072560
ISSN:

0094-8276 ; 1944-8007
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PDF
Publisher:

American Geophysical Union (AGU)
Document Type:

Journal Article
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Library
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urn:sha256:8fd146a4c8926ff227a3ca6bcb838907cd2a7f9293793e0ad8b700b0fca5b407
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https://repository.library.noaa.gov/view/noaa/54401/noaa_54401_DS1.pdf
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