A non-linear relationship between terrestrial microwave emission at 1.4 GHz and soil moisture caused by ponding of water

Dogusgen C., Hornbuckle B. K.

Remote Sensing Letters, cilt.6, sa.3, ss.238-246, 2015 (SCI-Expanded) identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 6 Sayı: 3
  • Basım Tarihi: 2015
  • Doi Numarası: 10.1080/2150704x.2015.1029088
  • Dergi Adı: Remote Sensing Letters
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.238-246
  • İstanbul Yeni Yüzyıl Üniversitesi Adresli: Hayır

Özet

We present an example of a non-linear relationship between terrestrial microwave emission at 1.4 GHz and soil water content. The brightness temperature record of a bare agricultural field exhibited strong variations during a rain event despite a steady increase in soil water content. We show that these variations can be explained by water ponding on the soil surface since ponded water can add coherency to the radiation emitted by a water-soil system.