Soil Resource Inventory and Mapping using Geospatial Technique

국문 초록 (Abstract)

지구상에서 가장 중요한 자원 중 하나인 토양은 지형조건에 따라 서로 다른 다양한 형태를 가지고 있기 때문에 최적화되고 지속 가능한 토양 자원의 활용을 위해서는 정확하고 포괄적인 정보가 필요하게 된다. 그러나 연구대상지역인 인도 Tamil Nadu지역의 경우 지형적인 영향으로 토양에 대한 정보가 많이 누락되어 있었다. 따라서 본 연구에서는Tamil Nadu 지역 Eastern Ghat의 Kolli Hill에 대한 지형 측량과 원격탐측을 통한 토양조사와 지도제작이 이루어졌으며 토양 샘플의 물리화학적 특성은 미국 농무부 (USDA) 기준에 따라 분석이 이루어졌다. 연구 결과로 토양을 5개의 대분류와 10개의 부분류로 구분할 수 있었으며 토양의 분포 특성을 보면 Entisol, Inseptisol 그리고 Alfisol의 세 계층 중 Entisol의 경우 전체 지역에 대하여 75%의 분포를 보였으며 5개의 대분류에 대해 Ustorthent가 73% 로서 대부분 지역에 나타나고 있다. 또한 Lithic Ustorthents(40%), Typic Ustorthents(26%)의 분포를 나타내었다. 앞으로도 대상지역에 대한 토양자원에 대한 지속적인 연구가 요구되며 이를 통하여 토양에 대한 많은 정보를 활용할 수 있을 것이다.

다국어 초록 (Multilingual Abstract)

Soil is one of the Earth's most important resources. There are many differences among the soils of plains-like and hilly terrains, and therefore, accurate and comprehensive information on soil is essential for optimum and sustainable soil utilization. However, information on the soil of the hilly terrains of the Eastern Ghats of Tamil Nadu, India, is limited or absent. In the present study, Kolli hill, one among the hills of the Eastern Ghats, was soil-inventoried and -mapped using a ground survey and remote sensing. Soil samples were collected and their physico-chemical properties analyzed according to the United States Department of Agriculture (USDA) standards. The soils were classified up to the family level. As a result of this study, 30 soil series belonging to ten sub-groups of five great groups and three sub-orders and orders each, were identified (classified to the family level) and mapped. Entisols, Inseptisols and Alfisols were the three orders, among which Entisols was the major one, occupying 75% of the area. Among the five great groups, Ustortbents occupied majority of the area (73%). Lithic Ustortbents and Typic Ustortbents were the two major sub-groups, occupying 40% and 26% of the total area, respectively. The present soil resource mapping of the Eastern Ghats of Tamil Nadu is a pioneer study, which yielded valuable information on the soil in this region.

목차 (Table of Contents)

• Abstract
• 要旨
• 1. Introduction
• 2. Study area
• 3. Materials and methods
• 4. Results and Discussion
• 5. Conclusion
• Acknowledgements
• Reference

참고문헌 (Reference)

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