Comparative assessment of soil erosion modelling approaches in a Himalayan watershed

Amin, Muzamil; Romshoo, Shakil Ahmad

doi:10.1007/s40808-018-0526-x

Cited by 21 publications

(8 citation statements)

References 49 publications

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“…As stated in the Methods section, the PCM was used to compute the criteria weights for each parameter using the AHP methodology. The rankings were decided on the basis of local knowledge of the area under consideration and the literature [37,73,93,[95][96][97][98]. The ratings and weightage used in this study were proven to be unbiased and reliable based on the observed value of CR = 0.07 in PCM (Table 4), which was in uniformity with the results obtained by [100].…”

Section: Resultssupporting

confidence: 54%

“…The natural break classification was used in ArcGIS to optimize the arrangement of a set of values into "natural" classes. Five priority classes were used based on the available literature [73,[93][94][95][96][97][98]. Within each layer, a rating from very low (1) to very high (5) was assigned to the classes in increasing order of their qualitative importance for erosion [99].…”

Section: Weighted Sum Methods (Wsm)mentioning

confidence: 99%

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Analytic Hierarchy Process (AHP) Based Soil Erosion Susceptibility Mapping in Northwestern Himalayas: A Case Study of Central Kashmir Province

Mushtaq¹,

Farooq²,

Tirkey

et al. 2023

Conservation

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The Kashmir Valley is immensely susceptible to soil erosion due to its diverse topography and unstable geological formations in the Himalayan region. The present study helps in assessing the spatial distribution and prioritizing soil erosion zones in the Central Kashmir region covering the Sindh and Dachigam catchments. The study implemented the GIS-based analytic hierarchy process (AHP) and weighted sum method (WSM) using datasets of precipitation, geological map, soil map, and satellite imagery and derived eleven factors (topographical derivatives, LULC, soil, drainage, rainfall, lithology, wetness index and greenness of an area). The ratings and weightage were proven to be unbiased and reliable based on the observed value of the consistency ratio (CR) (i.e., 0.07). The study depicts 41% of the total area to be extremely vulnerable to soil erosion. The slope varies from 0–62° with mean of 22.12°, indicating 467.99 km2 (26%) and 281.12 km2 (15%) of the area under high and very high susceptible zones, respectively. The NDVI and NDWI maps indicate soil erosion severity covering an area of 40% and 38%, respectively, in highly susceptible zones. High drainage density and curvature zones were observed in 18.33% and 22.64% of the study area, respectively. The study will assist in the planning and implementation of conservation measures.

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Section: Resultssupporting

confidence: 54%

Section: Weighted Sum Methods (Wsm)mentioning

confidence: 99%

Analytic Hierarchy Process (AHP) Based Soil Erosion Susceptibility Mapping in Northwestern Himalayas: A Case Study of Central Kashmir Province

Mushtaq¹,

Farooq²,

Tirkey

et al. 2023

Conservation

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“…It is not possible to calculate the soil loss by using conventional methods due to the high cost, and because they are time consuming [47]. Therefore, the revised universal soil loss equation (RUSLE) model is most widely used because it is simple, easy, and requires less data and time.…”

Section: The Anti-erosion Practical Factor (P)mentioning

confidence: 99%

Assessment and Mapping Soil Water Erosion Using RUSLE Approach and GIS Tools: Case of Oued el-Hai Watershed, Aurès West, Northeastern of Algeria

Bensekhria

Bouhata

2022

IJGI

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The problem of soil water erosion is one of the primary causes of agro-pedological heritage degradation. The combined effect of natural factors and inappropriate human actions has weakened the soil, which seriously threatens the region’s fertile lands and soils, which can ultimately lead to an irreversible situation of desertification. This study focuses on analysis and mapping of the vulnerability to erosion in Oued el-Hai watershed, Algeria, based on a technical methodology that combines the universal soil loss equation (USLE) with the geographic information system (GIS) tools. The results are organized into three main classes of different rate values, from one area to another, depending on the influence of different factors that control the erosion process. The highest loss rate value is greater than 30 t·ha−1·yr−1 and covers 23.2% of the total area, mainly located in the mountainous areas with steep slopes. However, the minimum potential erosion rate value is mainly located on the plain, with an average of 10 t·ha−1·yr−1 covering 45.2% of the total area of the watershed. The estimate of potential water erosion has given alarming results. The total area of the watershed could lose a rate of 16.69 t·ha−1·yr−1 (on average) each year. The method and results described in this article are valuable for understanding the soil erosion risk and are useful for managing and planning land use that will avoid land degradation. Hence, the results of this study are considered an important document which constitutes a decision support tool in terms of the management and protection of natural resources.

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“…The main threats to wetlands in Srinagar city are attributed to anthropogenic pressures that include urbanization (Farooq and Muslim, 2014), land use changes (Fazal and Amin, 2011), and large-scale encroachments (Wani and Khairkar, 2011;Kuchay and Bhat, 2014) in the catchment as well as in the wetlands itself (Rather et al, 2016). Besides, natural siltation associated with the anthropogenic siltation brought about by deforestation in the catchment areas has also been an important factor resulting in the loss of wetlands (Pandit and Qadri, 1990;Pandit, 1991;Shah et al, 2017;Amin and Romshoo, 2019). Another important driver of the loss of wetlands comes in the form of problems relating to drainage (Romshoo et al, 2017;Alam et al, 2018).…”

Section: Threats To Wetlandsmentioning

confidence: 99%

Current Status of Wetlands in Srinagar City: Threats, Management Strategies, and Future Perspectives

Dar

Bhat

Rashid

et al. 2020

Front. Environ. Sci.

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Wetlands are the most diverse, highly dynamic, productive, and ecologically sensitive areas in Earth. In Kashmir Himalaya, Srinagar city is bestowed with a large number of picturesque wetlands. These wetlands are important in regulating ecosystem services such as providing fresh water supplies, food products, fisheries, water purification, harbor biodiversity, and regulation of regional climate. These are also important as socioeconomic support systems for the city inhabitants and valued as habitats of migratory birds that visit Kashmir valley from different continents of the world. Owing to the increased rate of anthropogenic activities and anthropogenically driven changes in natural processes, these wetlands are degrading at an alarming rate, seriously affecting their health and water quality. The major threats to wetlands include pollution, land use and land cover changes, urbanization and encroachments, and climate change. The intensive agricultural practices, introduction of exotic species, and changes in hydrological flows during the past few decades have resulted in degradation of wetlands over this region. Sustainable management of wetlands is crucial as these ecosystems offer an array of ecological functions that sustain livelihoods all over the world. This review provides special insights about the significant changes in spatial scale, land use and land cover changes, and water quality of major wetlands in Srinagar city.

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Comparative assessment of soil erosion modelling approaches in a Himalayan watershed

Cited by 21 publications

References 49 publications

Analytic Hierarchy Process (AHP) Based Soil Erosion Susceptibility Mapping in Northwestern Himalayas: A Case Study of Central Kashmir Province

Analytic Hierarchy Process (AHP) Based Soil Erosion Susceptibility Mapping in Northwestern Himalayas: A Case Study of Central Kashmir Province

Assessment and Mapping Soil Water Erosion Using RUSLE Approach and GIS Tools: Case of Oued el-Hai Watershed, Aurès West, Northeastern of Algeria

Current Status of Wetlands in Srinagar City: Threats, Management Strategies, and Future Perspectives

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