Investigating spatial relationship between vegetation cover and soil moisture using sentinel satellites: a case study of North Gondar Zone, Ethiopia

被引：4
|
作者：
Nega, Worku [1 ]
Nigussie, Wondifraw [2 ]
Balew, Abel [3 ]
机构：
[1] Debre Markos Univ, Inst Land Adm, Dept Land Adm & Surveying, Debre Markos, Ethiopia
[2] Dilla Univ, Coll Agr & Nat Resource, Dept Land Adm & Surveying, Dilla, Ethiopia
[3] Woldia Univ, Dept Geog & Environm Studies, Woldia, Ethiopia
来源：
JOURNAL OF SPATIAL SCIENCE | 2023年 / 68卷 / 04期
关键词：
Soil moisture; vegetation cover; regression analysis; sentinel; North Gondar; VARIABILITY; RETRIEVAL; PLATEAU;
D O I：
10.1080/14498596.2022.2133019
中图分类号：
P9 [自然地理学];
学科分类号：
0705 ; 070501 ;
摘要：
Assessing spatial and temporal variations of soil moisture has a great role in different applications, such as natural resource management, flood-risk prediction, irrigation development, hydrology, and climatology. The current study is focusing on investigating the spatial relationship between soil moisture and vegetation cover. The Delta index model was applied using Sentinel-1 images to estimate soil moisture, and the Normalized Difference Vegetation Index was applied using Sentinel-2 images to assess vegetation cover. Besides, regression analysis was conducted to investigate the spatial relationship between soil moisture and vegetation cover. The derived soil moisture ranges from 0% to 48.4811%. Most areas with high elevation had high soil moisture, and low elevation had low soil moisture. In most part of the study area, vegetation cover and soil moisture have a direct relationship. Thus, higher vegetation cover was observed in areas with higher soil moisture; and lower vegetation cover was observed in areas with lower soil moisture.
引用
收藏
页码：667 / 683
页数：17
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