Assessing the Influence of Environmental Factors on Spatial Soil Erosion Risk based on the Certainty Coefficient Method
Abstract Soil erosion is a very serious ecological problem and remains a highly contentious issue in Nanling National Nature Reserve, China. This paper assessed the spatial relationships between soil erosion risk and the environmental factors affecting soil erosion. Such research is significant for...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Wang, Jun [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2018 |
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| Schlagwörter: |
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| Anmerkung: |
© the Authors 2018 |
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| Übergeordnetes Werk: |
Enthalten in: Journal of Risk Analysis and Crisis Response - Springer Netherlands, 2012, 8(2018), 3 vom: 01. Okt., Seite 131-141 |
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| Übergeordnetes Werk: |
volume:8 ; year:2018 ; number:3 ; day:01 ; month:10 ; pages:131-141 |
| Links: |
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| DOI / URN: |
10.2991/jrarc.2018.8.3.2 |
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SPR055022073 |
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| 520 | |a Abstract Soil erosion is a very serious ecological problem and remains a highly contentious issue in Nanling National Nature Reserve, China. This paper assessed the spatial relationships between soil erosion risk and the environmental factors affecting soil erosion. Such research is significant for monitoring future land use/cover changes, including agricultural expansion and deterioration of forest resources. First, the soil erosion spatial distribution map was obtained by interpreting consecutive Landsat 8 satellite images, of which the interpreted result was validated via the intensive fieldwork. Then, from the perspective of topography, land cover, soil and rainfall, environmental factors that may influence the soil erosion risk were selected to quantitative test the relationships between soil erosion risk and the environmental factors using a certainty coefficient method. The results indicate that soil erosion is highly correlated to specific slope categories, elevation zones, distance to rivers, land use/cover type, stratum lithology, soil types and annual 24h maximum rainfall. The occurrence probability of soil erosion is high in the area where the slope is larger than 40°. A remarkable variation in soil erosion loss displays in areas above 1300 m of elevation, and areas below 500 m. The probability of soil erosion is the highest in the area within 100 meters of distance to rivers. Cultivated land, grassland and artificial surface land covers have the strongest soil erosion. The probability of soil erosion in the Cambrian and Carboniferous strata is the highest among the lithology categories. The red soil and scrubby-meadow soil have the strongest soil erosion. Soil erosion in the area of annual maximum 24h rainfall between 110 mm and 120 mm is stronger than other area. The reported results provided viable information essential to control soil erosion, reduce soil loss, and achieve sustainable ecological development. | ||
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10.2991/jrarc.2018.8.3.2 doi (DE-627)SPR055022073 (SPR)jrarc.2018.8.3.2-e DE-627 ger DE-627 rakwb eng Wang, Jun verfasserin aut Assessing the Influence of Environmental Factors on Spatial Soil Erosion Risk based on the Certainty Coefficient Method 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © the Authors 2018 Abstract Soil erosion is a very serious ecological problem and remains a highly contentious issue in Nanling National Nature Reserve, China. This paper assessed the spatial relationships between soil erosion risk and the environmental factors affecting soil erosion. Such research is significant for monitoring future land use/cover changes, including agricultural expansion and deterioration of forest resources. First, the soil erosion spatial distribution map was obtained by interpreting consecutive Landsat 8 satellite images, of which the interpreted result was validated via the intensive fieldwork. Then, from the perspective of topography, land cover, soil and rainfall, environmental factors that may influence the soil erosion risk were selected to quantitative test the relationships between soil erosion risk and the environmental factors using a certainty coefficient method. The results indicate that soil erosion is highly correlated to specific slope categories, elevation zones, distance to rivers, land use/cover type, stratum lithology, soil types and annual 24h maximum rainfall. The occurrence probability of soil erosion is high in the area where the slope is larger than 40°. A remarkable variation in soil erosion loss displays in areas above 1300 m of elevation, and areas below 500 m. The probability of soil erosion is the highest in the area within 100 meters of distance to rivers. Cultivated land, grassland and artificial surface land covers have the strongest soil erosion. The probability of soil erosion in the Cambrian and Carboniferous strata is the highest among the lithology categories. The red soil and scrubby-meadow soil have the strongest soil erosion. Soil erosion in the area of annual maximum 24h rainfall between 110 mm and 120 mm is stronger than other area. The reported results provided viable information essential to control soil erosion, reduce soil loss, and achieve sustainable ecological development. soil erosion (dpeaa)DE-He213 environmental factor (dpeaa)DE-He213 CF value (dpeaa)DE-He213 soil conservation (dpeaa)DE-He213 Nanling National Nature Reserve (dpeaa)DE-He213 Gong, Qinghua aut Yu, Yan aut Enthalten in Journal of Risk Analysis and Crisis Response Springer Netherlands, 2012 8(2018), 3 vom: 01. Okt., Seite 131-141 (DE-627)1683678745 (DE-600)3001595-9 2210-8491 nnns volume:8 year:2018 number:3 day:01 month:10 pages:131-141 https://dx.doi.org/10.2991/jrarc.2018.8.3.2 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_171 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 8 2018 3 01 10 131-141 |
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10.2991/jrarc.2018.8.3.2 doi (DE-627)SPR055022073 (SPR)jrarc.2018.8.3.2-e DE-627 ger DE-627 rakwb eng Wang, Jun verfasserin aut Assessing the Influence of Environmental Factors on Spatial Soil Erosion Risk based on the Certainty Coefficient Method 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © the Authors 2018 Abstract Soil erosion is a very serious ecological problem and remains a highly contentious issue in Nanling National Nature Reserve, China. This paper assessed the spatial relationships between soil erosion risk and the environmental factors affecting soil erosion. Such research is significant for monitoring future land use/cover changes, including agricultural expansion and deterioration of forest resources. First, the soil erosion spatial distribution map was obtained by interpreting consecutive Landsat 8 satellite images, of which the interpreted result was validated via the intensive fieldwork. Then, from the perspective of topography, land cover, soil and rainfall, environmental factors that may influence the soil erosion risk were selected to quantitative test the relationships between soil erosion risk and the environmental factors using a certainty coefficient method. The results indicate that soil erosion is highly correlated to specific slope categories, elevation zones, distance to rivers, land use/cover type, stratum lithology, soil types and annual 24h maximum rainfall. The occurrence probability of soil erosion is high in the area where the slope is larger than 40°. A remarkable variation in soil erosion loss displays in areas above 1300 m of elevation, and areas below 500 m. The probability of soil erosion is the highest in the area within 100 meters of distance to rivers. Cultivated land, grassland and artificial surface land covers have the strongest soil erosion. The probability of soil erosion in the Cambrian and Carboniferous strata is the highest among the lithology categories. The red soil and scrubby-meadow soil have the strongest soil erosion. Soil erosion in the area of annual maximum 24h rainfall between 110 mm and 120 mm is stronger than other area. The reported results provided viable information essential to control soil erosion, reduce soil loss, and achieve sustainable ecological development. soil erosion (dpeaa)DE-He213 environmental factor (dpeaa)DE-He213 CF value (dpeaa)DE-He213 soil conservation (dpeaa)DE-He213 Nanling National Nature Reserve (dpeaa)DE-He213 Gong, Qinghua aut Yu, Yan aut Enthalten in Journal of Risk Analysis and Crisis Response Springer Netherlands, 2012 8(2018), 3 vom: 01. Okt., Seite 131-141 (DE-627)1683678745 (DE-600)3001595-9 2210-8491 nnns volume:8 year:2018 number:3 day:01 month:10 pages:131-141 https://dx.doi.org/10.2991/jrarc.2018.8.3.2 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_171 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 8 2018 3 01 10 131-141 |
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10.2991/jrarc.2018.8.3.2 doi (DE-627)SPR055022073 (SPR)jrarc.2018.8.3.2-e DE-627 ger DE-627 rakwb eng Wang, Jun verfasserin aut Assessing the Influence of Environmental Factors on Spatial Soil Erosion Risk based on the Certainty Coefficient Method 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © the Authors 2018 Abstract Soil erosion is a very serious ecological problem and remains a highly contentious issue in Nanling National Nature Reserve, China. This paper assessed the spatial relationships between soil erosion risk and the environmental factors affecting soil erosion. Such research is significant for monitoring future land use/cover changes, including agricultural expansion and deterioration of forest resources. First, the soil erosion spatial distribution map was obtained by interpreting consecutive Landsat 8 satellite images, of which the interpreted result was validated via the intensive fieldwork. Then, from the perspective of topography, land cover, soil and rainfall, environmental factors that may influence the soil erosion risk were selected to quantitative test the relationships between soil erosion risk and the environmental factors using a certainty coefficient method. The results indicate that soil erosion is highly correlated to specific slope categories, elevation zones, distance to rivers, land use/cover type, stratum lithology, soil types and annual 24h maximum rainfall. The occurrence probability of soil erosion is high in the area where the slope is larger than 40°. A remarkable variation in soil erosion loss displays in areas above 1300 m of elevation, and areas below 500 m. The probability of soil erosion is the highest in the area within 100 meters of distance to rivers. Cultivated land, grassland and artificial surface land covers have the strongest soil erosion. The probability of soil erosion in the Cambrian and Carboniferous strata is the highest among the lithology categories. The red soil and scrubby-meadow soil have the strongest soil erosion. Soil erosion in the area of annual maximum 24h rainfall between 110 mm and 120 mm is stronger than other area. The reported results provided viable information essential to control soil erosion, reduce soil loss, and achieve sustainable ecological development. soil erosion (dpeaa)DE-He213 environmental factor (dpeaa)DE-He213 CF value (dpeaa)DE-He213 soil conservation (dpeaa)DE-He213 Nanling National Nature Reserve (dpeaa)DE-He213 Gong, Qinghua aut Yu, Yan aut Enthalten in Journal of Risk Analysis and Crisis Response Springer Netherlands, 2012 8(2018), 3 vom: 01. Okt., Seite 131-141 (DE-627)1683678745 (DE-600)3001595-9 2210-8491 nnns volume:8 year:2018 number:3 day:01 month:10 pages:131-141 https://dx.doi.org/10.2991/jrarc.2018.8.3.2 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_171 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 8 2018 3 01 10 131-141 |
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10.2991/jrarc.2018.8.3.2 doi (DE-627)SPR055022073 (SPR)jrarc.2018.8.3.2-e DE-627 ger DE-627 rakwb eng Wang, Jun verfasserin aut Assessing the Influence of Environmental Factors on Spatial Soil Erosion Risk based on the Certainty Coefficient Method 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © the Authors 2018 Abstract Soil erosion is a very serious ecological problem and remains a highly contentious issue in Nanling National Nature Reserve, China. This paper assessed the spatial relationships between soil erosion risk and the environmental factors affecting soil erosion. Such research is significant for monitoring future land use/cover changes, including agricultural expansion and deterioration of forest resources. First, the soil erosion spatial distribution map was obtained by interpreting consecutive Landsat 8 satellite images, of which the interpreted result was validated via the intensive fieldwork. Then, from the perspective of topography, land cover, soil and rainfall, environmental factors that may influence the soil erosion risk were selected to quantitative test the relationships between soil erosion risk and the environmental factors using a certainty coefficient method. The results indicate that soil erosion is highly correlated to specific slope categories, elevation zones, distance to rivers, land use/cover type, stratum lithology, soil types and annual 24h maximum rainfall. The occurrence probability of soil erosion is high in the area where the slope is larger than 40°. A remarkable variation in soil erosion loss displays in areas above 1300 m of elevation, and areas below 500 m. The probability of soil erosion is the highest in the area within 100 meters of distance to rivers. Cultivated land, grassland and artificial surface land covers have the strongest soil erosion. The probability of soil erosion in the Cambrian and Carboniferous strata is the highest among the lithology categories. The red soil and scrubby-meadow soil have the strongest soil erosion. Soil erosion in the area of annual maximum 24h rainfall between 110 mm and 120 mm is stronger than other area. The reported results provided viable information essential to control soil erosion, reduce soil loss, and achieve sustainable ecological development. soil erosion (dpeaa)DE-He213 environmental factor (dpeaa)DE-He213 CF value (dpeaa)DE-He213 soil conservation (dpeaa)DE-He213 Nanling National Nature Reserve (dpeaa)DE-He213 Gong, Qinghua aut Yu, Yan aut Enthalten in Journal of Risk Analysis and Crisis Response Springer Netherlands, 2012 8(2018), 3 vom: 01. Okt., Seite 131-141 (DE-627)1683678745 (DE-600)3001595-9 2210-8491 nnns volume:8 year:2018 number:3 day:01 month:10 pages:131-141 https://dx.doi.org/10.2991/jrarc.2018.8.3.2 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_171 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 8 2018 3 01 10 131-141 |
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10.2991/jrarc.2018.8.3.2 doi (DE-627)SPR055022073 (SPR)jrarc.2018.8.3.2-e DE-627 ger DE-627 rakwb eng Wang, Jun verfasserin aut Assessing the Influence of Environmental Factors on Spatial Soil Erosion Risk based on the Certainty Coefficient Method 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © the Authors 2018 Abstract Soil erosion is a very serious ecological problem and remains a highly contentious issue in Nanling National Nature Reserve, China. This paper assessed the spatial relationships between soil erosion risk and the environmental factors affecting soil erosion. Such research is significant for monitoring future land use/cover changes, including agricultural expansion and deterioration of forest resources. First, the soil erosion spatial distribution map was obtained by interpreting consecutive Landsat 8 satellite images, of which the interpreted result was validated via the intensive fieldwork. Then, from the perspective of topography, land cover, soil and rainfall, environmental factors that may influence the soil erosion risk were selected to quantitative test the relationships between soil erosion risk and the environmental factors using a certainty coefficient method. The results indicate that soil erosion is highly correlated to specific slope categories, elevation zones, distance to rivers, land use/cover type, stratum lithology, soil types and annual 24h maximum rainfall. The occurrence probability of soil erosion is high in the area where the slope is larger than 40°. A remarkable variation in soil erosion loss displays in areas above 1300 m of elevation, and areas below 500 m. The probability of soil erosion is the highest in the area within 100 meters of distance to rivers. Cultivated land, grassland and artificial surface land covers have the strongest soil erosion. The probability of soil erosion in the Cambrian and Carboniferous strata is the highest among the lithology categories. The red soil and scrubby-meadow soil have the strongest soil erosion. Soil erosion in the area of annual maximum 24h rainfall between 110 mm and 120 mm is stronger than other area. The reported results provided viable information essential to control soil erosion, reduce soil loss, and achieve sustainable ecological development. soil erosion (dpeaa)DE-He213 environmental factor (dpeaa)DE-He213 CF value (dpeaa)DE-He213 soil conservation (dpeaa)DE-He213 Nanling National Nature Reserve (dpeaa)DE-He213 Gong, Qinghua aut Yu, Yan aut Enthalten in Journal of Risk Analysis and Crisis Response Springer Netherlands, 2012 8(2018), 3 vom: 01. Okt., Seite 131-141 (DE-627)1683678745 (DE-600)3001595-9 2210-8491 nnns volume:8 year:2018 number:3 day:01 month:10 pages:131-141 https://dx.doi.org/10.2991/jrarc.2018.8.3.2 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_171 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 8 2018 3 01 10 131-141 |
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assessing the influence of environmental factors on spatial soil erosion risk based on the certainty coefficient method |
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Assessing the Influence of Environmental Factors on Spatial Soil Erosion Risk based on the Certainty Coefficient Method |
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Abstract Soil erosion is a very serious ecological problem and remains a highly contentious issue in Nanling National Nature Reserve, China. This paper assessed the spatial relationships between soil erosion risk and the environmental factors affecting soil erosion. Such research is significant for monitoring future land use/cover changes, including agricultural expansion and deterioration of forest resources. First, the soil erosion spatial distribution map was obtained by interpreting consecutive Landsat 8 satellite images, of which the interpreted result was validated via the intensive fieldwork. Then, from the perspective of topography, land cover, soil and rainfall, environmental factors that may influence the soil erosion risk were selected to quantitative test the relationships between soil erosion risk and the environmental factors using a certainty coefficient method. The results indicate that soil erosion is highly correlated to specific slope categories, elevation zones, distance to rivers, land use/cover type, stratum lithology, soil types and annual 24h maximum rainfall. The occurrence probability of soil erosion is high in the area where the slope is larger than 40°. A remarkable variation in soil erosion loss displays in areas above 1300 m of elevation, and areas below 500 m. The probability of soil erosion is the highest in the area within 100 meters of distance to rivers. Cultivated land, grassland and artificial surface land covers have the strongest soil erosion. The probability of soil erosion in the Cambrian and Carboniferous strata is the highest among the lithology categories. The red soil and scrubby-meadow soil have the strongest soil erosion. Soil erosion in the area of annual maximum 24h rainfall between 110 mm and 120 mm is stronger than other area. The reported results provided viable information essential to control soil erosion, reduce soil loss, and achieve sustainable ecological development. © the Authors 2018 |
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Abstract Soil erosion is a very serious ecological problem and remains a highly contentious issue in Nanling National Nature Reserve, China. This paper assessed the spatial relationships between soil erosion risk and the environmental factors affecting soil erosion. Such research is significant for monitoring future land use/cover changes, including agricultural expansion and deterioration of forest resources. First, the soil erosion spatial distribution map was obtained by interpreting consecutive Landsat 8 satellite images, of which the interpreted result was validated via the intensive fieldwork. Then, from the perspective of topography, land cover, soil and rainfall, environmental factors that may influence the soil erosion risk were selected to quantitative test the relationships between soil erosion risk and the environmental factors using a certainty coefficient method. The results indicate that soil erosion is highly correlated to specific slope categories, elevation zones, distance to rivers, land use/cover type, stratum lithology, soil types and annual 24h maximum rainfall. The occurrence probability of soil erosion is high in the area where the slope is larger than 40°. A remarkable variation in soil erosion loss displays in areas above 1300 m of elevation, and areas below 500 m. The probability of soil erosion is the highest in the area within 100 meters of distance to rivers. Cultivated land, grassland and artificial surface land covers have the strongest soil erosion. The probability of soil erosion in the Cambrian and Carboniferous strata is the highest among the lithology categories. The red soil and scrubby-meadow soil have the strongest soil erosion. Soil erosion in the area of annual maximum 24h rainfall between 110 mm and 120 mm is stronger than other area. The reported results provided viable information essential to control soil erosion, reduce soil loss, and achieve sustainable ecological development. © the Authors 2018 |
| abstract_unstemmed |
Abstract Soil erosion is a very serious ecological problem and remains a highly contentious issue in Nanling National Nature Reserve, China. This paper assessed the spatial relationships between soil erosion risk and the environmental factors affecting soil erosion. Such research is significant for monitoring future land use/cover changes, including agricultural expansion and deterioration of forest resources. First, the soil erosion spatial distribution map was obtained by interpreting consecutive Landsat 8 satellite images, of which the interpreted result was validated via the intensive fieldwork. Then, from the perspective of topography, land cover, soil and rainfall, environmental factors that may influence the soil erosion risk were selected to quantitative test the relationships between soil erosion risk and the environmental factors using a certainty coefficient method. The results indicate that soil erosion is highly correlated to specific slope categories, elevation zones, distance to rivers, land use/cover type, stratum lithology, soil types and annual 24h maximum rainfall. The occurrence probability of soil erosion is high in the area where the slope is larger than 40°. A remarkable variation in soil erosion loss displays in areas above 1300 m of elevation, and areas below 500 m. The probability of soil erosion is the highest in the area within 100 meters of distance to rivers. Cultivated land, grassland and artificial surface land covers have the strongest soil erosion. The probability of soil erosion in the Cambrian and Carboniferous strata is the highest among the lithology categories. The red soil and scrubby-meadow soil have the strongest soil erosion. Soil erosion in the area of annual maximum 24h rainfall between 110 mm and 120 mm is stronger than other area. The reported results provided viable information essential to control soil erosion, reduce soil loss, and achieve sustainable ecological development. © the Authors 2018 |
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The occurrence probability of soil erosion is high in the area where the slope is larger than 40°. A remarkable variation in soil erosion loss displays in areas above 1300 m of elevation, and areas below 500 m. The probability of soil erosion is the highest in the area within 100 meters of distance to rivers. Cultivated land, grassland and artificial surface land covers have the strongest soil erosion. The probability of soil erosion in the Cambrian and Carboniferous strata is the highest among the lithology categories. The red soil and scrubby-meadow soil have the strongest soil erosion. Soil erosion in the area of annual maximum 24h rainfall between 110 mm and 120 mm is stronger than other area. The reported results provided viable information essential to control soil erosion, reduce soil loss, and achieve sustainable ecological development.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">soil erosion</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">environmental factor</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">CF value</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">soil conservation</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Nanling National Nature Reserve</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Gong, Qinghua</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Yu, Yan</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">Journal of Risk Analysis and Crisis Response</subfield><subfield code="d">Springer Netherlands, 2012</subfield><subfield code="g">8(2018), 3 vom: 01. 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