Microwave brightness temperature of snow: Observations and simulations

Martti Hallikainen, Juha Lemmetyinen

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

1 Citation (Scopus)

Abstract

The brightness temperature of snow-covered terrain was monitored from January through April 1985 using tower-based radiometers operating at 1, 16.5, and 37 GHz (vertical and horizontal polarization) in southern Finland. Ground truth data on snow, soil and weather were collected. Layered dielectric, extinction and wetness information on snow at the test site was obtained with free-space transmission systems operating at 12 and 35 GHz. In this paper we report the 37 and 16.5 GHz vertically polarized brightness temperatures (incidence angle 50 degrees off nadir) for melting and refreezing snow over a 26-hour period and compare experimental and theoretical results.

Original languageEnglish
Title of host publicationProceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2016
PublisherIEEE
Pages7071-7074
Number of pages4
Volume2016-November
ISBN (Electronic)9781509033324
DOIs
Publication statusPublished - 1 Nov 2016
MoE publication typeA4 Article in a conference publication
EventInternational Geoscience and Remote Sensing Symposium - Beijing, China
Duration: 10 Jul 201615 Jul 2016
Conference number: 36

Publication series

NameIEEE International Geoscience and Remote Sensing Symposium proceedings
PublisherIEEE
ISSN (Print)2153-6996
ISSN (Electronic)2153-7003

Conference

ConferenceInternational Geoscience and Remote Sensing Symposium
Abbreviated titleIGARSS
CountryChina
CityBeijing
Period10/07/201615/07/2016

Keywords

  • brightness temperature
  • diurnal variation
  • meltrefreeze
  • microwave radiometry
  • Snow

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