Question

Describe the factors affecting spectral signatures of land use and land cover change giving suitable examples.

19 Jan 2026
Answer :
Word Count : 528
Spectral signatures represent the unique pattern of reflectance or emittance of electromagnetic energy by different surface materials, which allows remote sensing technologies to identify and classify various land use and land cover (LULC) types. These signatures are influenced by multiple factors that affect the accuracy and reliability of LULC mapping using geoinformatics tools. One of the primary factors is the intrinsic properties of the surface material itself. Vegetation type, soil composition, water bodies, and built-up areas each have distinct spectral responses. For example, healthy vegetation shows high reflectance __________ ______ ______ ___ __________ ________ ______ _____ ____ __________.
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