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An Agricultural Drought Index for Assessing Droughts Using a Water Balance Method: A Case Study in Jilin Province, Northeast China
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| Zeitschriftentitel: | Remote Sensing |
|---|---|
| Personen und Körperschaften: | , , , , , |
| In: | Remote Sensing, 11, 2019, 9, S. 1066 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
MDPI AG
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| Schlagwörter: |
| author_facet |
Cao, Yijing Chen, Shengbo Wang, Lei Zhu, Bingxue Lu, Tianqi Yu, Yan Cao, Yijing Chen, Shengbo Wang, Lei Zhu, Bingxue Lu, Tianqi Yu, Yan |
|---|---|
| author |
Cao, Yijing Chen, Shengbo Wang, Lei Zhu, Bingxue Lu, Tianqi Yu, Yan |
| spellingShingle |
Cao, Yijing Chen, Shengbo Wang, Lei Zhu, Bingxue Lu, Tianqi Yu, Yan Remote Sensing An Agricultural Drought Index for Assessing Droughts Using a Water Balance Method: A Case Study in Jilin Province, Northeast China General Earth and Planetary Sciences |
| author_sort |
cao, yijing |
| spelling |
Cao, Yijing Chen, Shengbo Wang, Lei Zhu, Bingxue Lu, Tianqi Yu, Yan 2072-4292 MDPI AG General Earth and Planetary Sciences http://dx.doi.org/10.3390/rs11091066 <jats:p>Drought, which causes the economic, social, and environmental losses, also threatens food security worldwide. In this study, we developed a vegetation-soil water deficit (VSWD) method to better assess agricultural droughts. The VSWD method considers precipitation, potential evapotranspiration (PET) and soil moisture. The soil moisture from different soil layers was compared with the in situ drought indices to select the appropriate depths for calculating soil moisture during growing seasons. The VSWD method and other indices for assessing the agricultural droughts, i.e., Scaled Drought Condition Index (SDCI), Vegetation Health Index (VHI) and Temperature Vegetation Dryness Index (TVDI), were compared with the in situ and multi-scales of Standardized Precipitation Evapotranspiration Index (SPEIs). The results show that the VSWD method has better performance than SDCI, VHI, and TVDI. Based on the drought events collected from field sampling, it is found that the VSWD method can better distinguish the severities of agricultural droughts than other indices mentioned here. Moreover, the performances of VSWD, SPEIs, SDCI and VHI in the major historical drought events recorded in the study area show that VSWD has generated the most sensible results than others. However, the limitation of the VSWD method is also discussed.</jats:p> An Agricultural Drought Index for Assessing Droughts Using a Water Balance Method: A Case Study in Jilin Province, Northeast China Remote Sensing |
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| title |
An Agricultural Drought Index for Assessing Droughts Using a Water Balance Method: A Case Study in Jilin Province, Northeast China |
| title_unstemmed |
An Agricultural Drought Index for Assessing Droughts Using a Water Balance Method: A Case Study in Jilin Province, Northeast China |
| title_full |
An Agricultural Drought Index for Assessing Droughts Using a Water Balance Method: A Case Study in Jilin Province, Northeast China |
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An Agricultural Drought Index for Assessing Droughts Using a Water Balance Method: A Case Study in Jilin Province, Northeast China |
| title_full_unstemmed |
An Agricultural Drought Index for Assessing Droughts Using a Water Balance Method: A Case Study in Jilin Province, Northeast China |
| title_short |
An Agricultural Drought Index for Assessing Droughts Using a Water Balance Method: A Case Study in Jilin Province, Northeast China |
| title_sort |
an agricultural drought index for assessing droughts using a water balance method: a case study in jilin province, northeast china |
| topic |
General Earth and Planetary Sciences |
| url |
http://dx.doi.org/10.3390/rs11091066 |
| publishDate |
2019 |
| physical |
1066 |
| description |
<jats:p>Drought, which causes the economic, social, and environmental losses, also threatens food security worldwide. In this study, we developed a vegetation-soil water deficit (VSWD) method to better assess agricultural droughts. The VSWD method considers precipitation, potential evapotranspiration (PET) and soil moisture. The soil moisture from different soil layers was compared with the in situ drought indices to select the appropriate depths for calculating soil moisture during growing seasons. The VSWD method and other indices for assessing the agricultural droughts, i.e., Scaled Drought Condition Index (SDCI), Vegetation Health Index (VHI) and Temperature Vegetation Dryness Index (TVDI), were compared with the in situ and multi-scales of Standardized Precipitation Evapotranspiration Index (SPEIs). The results show that the VSWD method has better performance than SDCI, VHI, and TVDI. Based on the drought events collected from field sampling, it is found that the VSWD method can better distinguish the severities of agricultural droughts than other indices mentioned here. Moreover, the performances of VSWD, SPEIs, SDCI and VHI in the major historical drought events recorded in the study area show that VSWD has generated the most sensible results than others. However, the limitation of the VSWD method is also discussed.</jats:p> |
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| author | Cao, Yijing, Chen, Shengbo, Wang, Lei, Zhu, Bingxue, Lu, Tianqi, Yu, Yan |
| author_facet | Cao, Yijing, Chen, Shengbo, Wang, Lei, Zhu, Bingxue, Lu, Tianqi, Yu, Yan, Cao, Yijing, Chen, Shengbo, Wang, Lei, Zhu, Bingxue, Lu, Tianqi, Yu, Yan |
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| description | <jats:p>Drought, which causes the economic, social, and environmental losses, also threatens food security worldwide. In this study, we developed a vegetation-soil water deficit (VSWD) method to better assess agricultural droughts. The VSWD method considers precipitation, potential evapotranspiration (PET) and soil moisture. The soil moisture from different soil layers was compared with the in situ drought indices to select the appropriate depths for calculating soil moisture during growing seasons. The VSWD method and other indices for assessing the agricultural droughts, i.e., Scaled Drought Condition Index (SDCI), Vegetation Health Index (VHI) and Temperature Vegetation Dryness Index (TVDI), were compared with the in situ and multi-scales of Standardized Precipitation Evapotranspiration Index (SPEIs). The results show that the VSWD method has better performance than SDCI, VHI, and TVDI. Based on the drought events collected from field sampling, it is found that the VSWD method can better distinguish the severities of agricultural droughts than other indices mentioned here. Moreover, the performances of VSWD, SPEIs, SDCI and VHI in the major historical drought events recorded in the study area show that VSWD has generated the most sensible results than others. However, the limitation of the VSWD method is also discussed.</jats:p> |
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| spelling | Cao, Yijing Chen, Shengbo Wang, Lei Zhu, Bingxue Lu, Tianqi Yu, Yan 2072-4292 MDPI AG General Earth and Planetary Sciences http://dx.doi.org/10.3390/rs11091066 <jats:p>Drought, which causes the economic, social, and environmental losses, also threatens food security worldwide. In this study, we developed a vegetation-soil water deficit (VSWD) method to better assess agricultural droughts. The VSWD method considers precipitation, potential evapotranspiration (PET) and soil moisture. The soil moisture from different soil layers was compared with the in situ drought indices to select the appropriate depths for calculating soil moisture during growing seasons. The VSWD method and other indices for assessing the agricultural droughts, i.e., Scaled Drought Condition Index (SDCI), Vegetation Health Index (VHI) and Temperature Vegetation Dryness Index (TVDI), were compared with the in situ and multi-scales of Standardized Precipitation Evapotranspiration Index (SPEIs). The results show that the VSWD method has better performance than SDCI, VHI, and TVDI. Based on the drought events collected from field sampling, it is found that the VSWD method can better distinguish the severities of agricultural droughts than other indices mentioned here. Moreover, the performances of VSWD, SPEIs, SDCI and VHI in the major historical drought events recorded in the study area show that VSWD has generated the most sensible results than others. However, the limitation of the VSWD method is also discussed.</jats:p> An Agricultural Drought Index for Assessing Droughts Using a Water Balance Method: A Case Study in Jilin Province, Northeast China Remote Sensing |
| spellingShingle | Cao, Yijing, Chen, Shengbo, Wang, Lei, Zhu, Bingxue, Lu, Tianqi, Yu, Yan, Remote Sensing, An Agricultural Drought Index for Assessing Droughts Using a Water Balance Method: A Case Study in Jilin Province, Northeast China, General Earth and Planetary Sciences |
| title | An Agricultural Drought Index for Assessing Droughts Using a Water Balance Method: A Case Study in Jilin Province, Northeast China |
| title_full | An Agricultural Drought Index for Assessing Droughts Using a Water Balance Method: A Case Study in Jilin Province, Northeast China |
| title_fullStr | An Agricultural Drought Index for Assessing Droughts Using a Water Balance Method: A Case Study in Jilin Province, Northeast China |
| title_full_unstemmed | An Agricultural Drought Index for Assessing Droughts Using a Water Balance Method: A Case Study in Jilin Province, Northeast China |
| title_short | An Agricultural Drought Index for Assessing Droughts Using a Water Balance Method: A Case Study in Jilin Province, Northeast China |
| title_sort | an agricultural drought index for assessing droughts using a water balance method: a case study in jilin province, northeast china |
| title_unstemmed | An Agricultural Drought Index for Assessing Droughts Using a Water Balance Method: A Case Study in Jilin Province, Northeast China |
| topic | General Earth and Planetary Sciences |
| url | http://dx.doi.org/10.3390/rs11091066 |