Toprak Kayıp Modellerinin Somali İçin Değerlendirilmesi

Yıl 2023, Cilt: 5 Sayı: 2, 146 - 151, 29.12.2023

Abdinasir Abdullahi Mohamed , Levent Başayiğit

https://doi.org/10.55979/tjse.1336047

Öz

Toprak erozyonu, dünyanın birçok yerinde hem tarımsal üretkenliği hem de doğal ekosistemleri etkileyen önemli bir çevre sorunudur. Erozyon kaynaklı toprak kayıpları, zaten birçok sosyoekonomik sorunla boğuşan bir ülke olan Somali'de gıda güvensizliği ve arazi bozulması endişelerini şiddetlendiriyor. Bu araştırmanın amacı, sürdürülebilir arazi yönetimi ve kaynak planlaması için değerli bilgiler sağlayarak, Somali'deki erozyon riskini değerlendirmek ve toprak kayıplarını tahmin etmektir. Çalışma, uzaktan algılama verileri, coğrafi bilgi sistemi (GIS) teknikleri ve hidrolojik modelleme kullanarak erozyon risk faktörlerini ve ülke genelindeki mekansal dağılımını incelemektedir. Topografik veriler, toprak özellikleri, arazi kullanımı ve arazi örtüsü verileri, yağış modelleri ve bitki örtüsü indekslerinin tümü erozyona eğilimli alanları ve sıcak noktaları belirlemek için kullanılır. Ayrıca, tahmine dayalı modelleri kalibre etmek ve doğrulamak için tarihsel erozyon verileri analiz edilir, böylece doğruluk ve güvenilirlikleri artırılır. Bu çalışmanın bulgularına göre, Somali'nin önemli bir bölümü erozyon kaynaklı toprak kayıplarına karşı savunmasızdır. En savunmasız alanlar belirlenerek, paydaşların erozyon kontrolü ve toprak koruma çabaları için kaynakları önceliklendirmesine ve tahsis etmesine izin verilir. Ayrıca çalışma, ormansızlaşma, kötü tarım uygulamaları ve aşırı otlatma gibi insan faaliyetlerinin erozyon riskini artırmadaki rolünü vurgulamaktadır. Bu çalışmada oluşturulan tahmin modelleri, iklim değişkenliğini, arazi kullanımındaki değişiklikleri ve azaltma stratejilerini dikkate alarak çeşitli senaryolar altında toprak kayıplarını tahmin etmek için yararlı kaynaklar sunmaktadır. Bu tür tahmin yetenekleri, politika seçimlerine rehberlik etmek ve tarımsal üretkenliği iyileştirebilen, ekosistemleri koruyabilen ve Somali genelinde çevresel sürdürülebilirliği teşvik edebilen verimli erozyon yönetimi tekniklerini uygulamaya koymak için çok önemlidir.

Anahtar Kelimeler

CORINE, Erozyon, RUSLE, SLEMSA, Somali

Teşekkür

This study was produced from a part of the Doctoral Thesis titled "The Assessment of Erosion Risk and Prediction of Soil Losses in Somalia", which is being carried out at the Graduate Education Institute of Isparta University of Applied Sciences.

Soil Loss Models for Somalia

Öz

Soil erosion stands as a significant environmental concern impacting both agricultural productivity and natural ecosystems across various regions worldwide. The soil losses attributed to erosion exacerbate concerns about food security and land degradation in Somalia, a country already grappling with numerous socio-economic challenges. This study aims to evaluate the erosion risk in Somalia by examining potential techniques that offer valuable insights for sustainable land management and resource planning. Emphasizing the utilization of remote sensing data, geographic information system (GIS) techniques, and hydrological modeling, the research highlights the exploration of erosion risk factors and their spatial distribution nationwide. Topographic data, soil properties, land use and land cover data, precipitation models, and vegetation indices could be employed to identify erosion-prone areas and sensitive points in Somalia. Furthermore, analyzing historical erosion data can aid in calibrating and validating predictive models. Continuous monitoring of sensitive areas over the years is recommended, considering the role of human activities such as ongoing deforestation, poor agricultural practices, and excessive grazing, which contribute to escalating erosion risks on Somali lands. Decision-makers should focus on methodologies that can be utilized to implement efficient erosion management techniques ensuring environmental sustainability across Somalia.

Anahtar Kelimeler

CORINE, Erosion, RUSLE, SLEMSA, Somalia

Kaynakça

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