TITLE:
Triangle Method for Estimating Soil Surface Wetness from Satellite Imagery in Allahabad District, Uttar Pradesh, India
AUTHORS:
Abba Aliyu Kasim, Abubakar Aminu Usman
KEYWORDS:
Triangle Method, Soil Surface Wetness, Surface Radiant Temperature, Fractional Vegetation Cover
JOURNAL NAME:
Journal of Geoscience and Environment Protection,
Vol.4 No.1,
January
13,
2016
ABSTRACT: Soil surface
wetness is indispensable land surface parameter in agriculture, hydrology and environmental
engineering. This paper explores the relationship between surface radiant temperature
and fractional vegetation cover derived from satellite imagery to estimate soil
surface wetness (triangle method) in Allahabad district. The pixel distributions
create triangular shapes because the range of surface radiant temperature decreases
as the amount of vegetation cover increases and sufficient number of pixels exists.
A very weak correlation is found between the simulated soil surface wetness and
ground measured soil moisture at deeper soil layers (R2