Title
Analysis of the Influence of Soil Roughness, Surface Crust and Soil Moisture on Spectral Reflectance
Document Type
Conference Proceeding
Conference
2006 ASABE Annual International Meeting
Publication Date
7-2006
City
Portland, OR
Abstract
Soil moisture is an important component of numerous systems, influencing crop development, and runoff and infiltration partitioning, among other things. However, due to its spatial and temporal variability, it is difficult to estimate soil moisture consistently using conventional techniques such as gravimetric sampling, which is point-based and time-consuming. Therefore, to overcome this drawback in soil moisture estimation and mapping, and to facilitate its measurement spatially and temporarily, remote sensing is a promising technique. Measurement of soil surface reflectance in the visible and near infrared (VIS/NIR) may be used for this purpose. However, soil reflectance within this spectral range is affected by numerous factors, including soil surface roughness and the presence of soil crust. Thus, in order to determine the utility of VIS/NIR remote sensing for surface soil moisture estimation, roughness and crusting must be considered. In this study, we quantify the effects of these three components (moisture, roughness, and degree of crusting) on soil surface reflectance within the spectral range of 450 nm to 1000 nm in order to determine the extent to which moisture can be estimated under different soil surface conditions.
Copyright Owner
American Society of Agricultural and Biological Engineers
Copyright Date
2006
Language
en
Recommended Citation
Kaleita, Amy L. and Dilawari, Geetika, "Analysis of the Influence of Soil Roughness, Surface Crust and Soil Moisture on Spectral Reflectance" (2006). Agricultural and Biosystems Engineering Conference Proceedings and Presentations. 233.
https://lib.dr.iastate.edu/abe_eng_conf/233
