Crop Residue Cover Estimation using Radar Techniques

Autor:	L. N. Mielke, J. P. Dalton, Ram M. Narayanan
Rok vydání:	1992
Předmět:	Residue (complex analysis) Crop residue Plant residue fungi General Engineering food and beverages Soil science Soil surface law.invention Tillage law Radar backscatter Environmental science Radar Physics::Atmospheric and Oceanic Physics Remote sensing
Zdroj:	Applied Engineering in Agriculture. 8:863-869
ISSN:	1943-7838
DOI:	10.13031/2013.26125
Popis:	Co-polarized and cross-polarized radar characteristics were measured from different types of plant residue cover on the soil surface, resulting from various tillage treatments. A first-order model was developed that relates the radar backscatter coefficient to percent residue cover. Application of the model to the data indicates that percent residue cover can be estimated from radar backscatter if the type of crop is known. In addition, the optimal polarization combination needs to be chosen for maximizing the sensitivity. These results demonstrate the potential for remote measurement of crop residue using airborne radar sensors. An advantage of this technique is that it can function well independent of sunlight conditions.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::cd05cc564328fdb29a3f3d44bb2a91b5 https://doi.org/10.13031/2013.26125 Zobrazit plný text záznamu