Earticle

초록

영어

The implementation of soil and water conservation is a countrywide timetable in Ethiopia due to the challenges of land degradation, especially in arid and semiarid areas. However, assessment of the effectiveness of the implemented soil and water conservation measures is frequently ignored because of the shortage of sincere appraisal techniques. This study aims to evaluate the effectiveness of the age of an area exclosure in reducing soil loss, using photogrammetric Uncrewed Aerial Vehicles (UAVs) as a way of appraisal. A field experiment was conducted in Northern Ethiopia, specifically in the Tigray region in a sub-watershed with area exclosure and trenches. To measure sediment storage, 37 sample trenches were manually assessed in the field and estimated using Digital Terrain Model (DTM) data over a two-year period. The measured and estimated sediment volumes were compared. The comparison revealed that the estimated sediment volume closely aligned with the sediment volume measured in the field. The Root Mean Square Error (RMSE) ranged from ± 0.001 to ± 0.1371 m3. Moreover, the implemented area exclosure successfully reduced sediment transportation and prolonged the lifespan of the trenches, explaining 97% of the measured sediment volume, with no significant difference (P < 0.05). This indicates that the use of Aerial photographs to evaluate changes in sediment quantity due to area exclosure shows promise as an assessment method.

목차

Abstract
1. Introduction
2. Methods and materials
2.1. Study Area
2.2. Data collection methods
2.3. Photogrammetric Aerial image processing
2.4. Trench area measurement and sediment volume estimation
2.5. Measured and estimated sediment volume comparison
3. Results
3.1. Trench area and stored sediment volumes
3.2. Measured and estimated sediment volumes
3.3. Age of Area exclosure and lifetime of trenches
4. Discussion
References

키워드

저자

• Tiegsti Hadush [ Department of Land resources Management and Environmental Protection, Mekelle University, Mekelle 231, Ethiopia/ Institute of climate and Society, Mekelle University ] Corresponding Author
• Atkilt Girma [ Department of Land resources Management and Environmental Protection, Mekelle University, Mekelle 231, Ethiopia/ Institute of climate and Society, Mekelle University ]
• Amanuel Zenebe [ Department of Land resources Management and Environmental Protection, Mekelle University, Mekelle 231, Ethiopia/ Institute of climate and Society, Mekelle University ]

참고문헌

발행기관

간행물

표지보기 관심저널 등록

• 간행물명

  선문효정학술연구회 학술대회 프로시딩

• 간기

  반년간

• 수록기간

  2023~2026

• 십진분류

  KDC 238 DDC 289