Change Detection of Soil Formation Rate in Space and Time Based on Multi Source Data and Geospatial Analysis Techniques

Spatialization of soil formation rate (<i<SFR</i<) is always a difficult problem in soil genesis. In this study, the dissolution rate in karst areas of China during the period 1983−2015 was estimated on the basis of geospatial analysis techniques and detection of variation via the law of...
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Autor*in:	Qin Li [verfasserIn] Shijie Wang [verfasserIn] Xiaoyong Bai [verfasserIn] Guangjie Luo [verfasserIn] Xiaoqing Song [verfasserIn] Yichao Tian [verfasserIn] Zeyin Hu [verfasserIn] Yujie Yang [verfasserIn] Shiqi Tian [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2020

Schlagwörter:	karst soil formation rate carbonate soil erosion dissolution rate

Übergeordnetes Werk:	In: Remote Sensing - MDPI AG, 2009, 12(2020), 1, p 121
Übergeordnetes Werk:	volume:12 ; year:2020 ; number:1, p 121

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/rs12010121

Katalog-ID:	DOAJ014116499

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520			\|a Spatialization of soil formation rate (<i<SFR</i<) is always a difficult problem in soil genesis. In this study, the dissolution rate in karst areas of China during the period 1983−2015 was estimated on the basis of geospatial analysis techniques and detection of variation via the law of chemical thermodynamics in conjunction with long-term serial ecohydrology data. <i<SFR</i< at different lithological backgrounds was calculated on the basis of the content of acid-insoluble substances. Results showed that the spatial dissolution rate of carbonate rock ranges between 0 and 106 mm/ka, averaged at 22.51 mm/ka, and the <i<SFR</i< ranges between 10 and 134.93 t km<sup<−2</sup< yr<sup<−1</sup<, averaged at 18.59 t km<sup<−2</sup< yr<sup<−1</sup<. The dissolution rate and <i<SFR</i< exhibit a slight increasing trend with 0.04 mm/ka and 0.003 t km<sup<−2</sup< yr<sup<−1</sup<, respectively. The risk for soil erosion was reevaluated on the basis of the <i<SFR</i< results, and the area with erosion risk and the ecologically safe area were corrected. Results indicated that the area with erosion risk is four times higher than the ecologically safe area. This study will hopefully instigate and facilitate the application and popularization of geospatial analysis technology to the research field of rock weathering and soil formation.
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allfields	10.3390/rs12010121 doi (DE-627)DOAJ014116499 (DE-599)DOAJbd475a6fa54542219d6f9f57716454bb DE-627 ger DE-627 rakwb eng Qin Li verfasserin aut Change Detection of Soil Formation Rate in Space and Time Based on Multi Source Data and Geospatial Analysis Techniques 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Spatialization of soil formation rate (<i<SFR</i<) is always a difficult problem in soil genesis. In this study, the dissolution rate in karst areas of China during the period 1983−2015 was estimated on the basis of geospatial analysis techniques and detection of variation via the law of chemical thermodynamics in conjunction with long-term serial ecohydrology data. <i<SFR</i< at different lithological backgrounds was calculated on the basis of the content of acid-insoluble substances. Results showed that the spatial dissolution rate of carbonate rock ranges between 0 and 106 mm/ka, averaged at 22.51 mm/ka, and the <i<SFR</i< ranges between 10 and 134.93 t km<sup<−2</sup< yr<sup<−1</sup<, averaged at 18.59 t km<sup<−2</sup< yr<sup<−1</sup<. The dissolution rate and <i<SFR</i< exhibit a slight increasing trend with 0.04 mm/ka and 0.003 t km<sup<−2</sup< yr<sup<−1</sup<, respectively. The risk for soil erosion was reevaluated on the basis of the <i<SFR</i< results, and the area with erosion risk and the ecologically safe area were corrected. Results indicated that the area with erosion risk is four times higher than the ecologically safe area. This study will hopefully instigate and facilitate the application and popularization of geospatial analysis technology to the research field of rock weathering and soil formation. karst soil formation rate carbonate soil erosion dissolution rate Science Q Shijie Wang verfasserin aut Xiaoyong Bai verfasserin aut Guangjie Luo verfasserin aut Xiaoqing Song verfasserin aut Yichao Tian verfasserin aut Zeyin Hu verfasserin aut Yujie Yang verfasserin aut Shiqi Tian verfasserin aut In Remote Sensing MDPI AG, 2009 12(2020), 1, p 121 (DE-627)608937916 (DE-600)2513863-7 20724292 nnns volume:12 year:2020 number:1, p 121 https://doi.org/10.3390/rs12010121 kostenfrei https://doaj.org/article/bd475a6fa54542219d6f9f57716454bb kostenfrei https://www.mdpi.com/2072-4292/12/1/121 kostenfrei https://doaj.org/toc/2072-4292 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 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_4392 GBV_ILN_4700 AR 12 2020 1, p 121
spelling	10.3390/rs12010121 doi (DE-627)DOAJ014116499 (DE-599)DOAJbd475a6fa54542219d6f9f57716454bb DE-627 ger DE-627 rakwb eng Qin Li verfasserin aut Change Detection of Soil Formation Rate in Space and Time Based on Multi Source Data and Geospatial Analysis Techniques 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Spatialization of soil formation rate (<i<SFR</i<) is always a difficult problem in soil genesis. In this study, the dissolution rate in karst areas of China during the period 1983−2015 was estimated on the basis of geospatial analysis techniques and detection of variation via the law of chemical thermodynamics in conjunction with long-term serial ecohydrology data. <i<SFR</i< at different lithological backgrounds was calculated on the basis of the content of acid-insoluble substances. Results showed that the spatial dissolution rate of carbonate rock ranges between 0 and 106 mm/ka, averaged at 22.51 mm/ka, and the <i<SFR</i< ranges between 10 and 134.93 t km<sup<−2</sup< yr<sup<−1</sup<, averaged at 18.59 t km<sup<−2</sup< yr<sup<−1</sup<. The dissolution rate and <i<SFR</i< exhibit a slight increasing trend with 0.04 mm/ka and 0.003 t km<sup<−2</sup< yr<sup<−1</sup<, respectively. The risk for soil erosion was reevaluated on the basis of the <i<SFR</i< results, and the area with erosion risk and the ecologically safe area were corrected. Results indicated that the area with erosion risk is four times higher than the ecologically safe area. This study will hopefully instigate and facilitate the application and popularization of geospatial analysis technology to the research field of rock weathering and soil formation. karst soil formation rate carbonate soil erosion dissolution rate Science Q Shijie Wang verfasserin aut Xiaoyong Bai verfasserin aut Guangjie Luo verfasserin aut Xiaoqing Song verfasserin aut Yichao Tian verfasserin aut Zeyin Hu verfasserin aut Yujie Yang verfasserin aut Shiqi Tian verfasserin aut In Remote Sensing MDPI AG, 2009 12(2020), 1, p 121 (DE-627)608937916 (DE-600)2513863-7 20724292 nnns volume:12 year:2020 number:1, p 121 https://doi.org/10.3390/rs12010121 kostenfrei https://doaj.org/article/bd475a6fa54542219d6f9f57716454bb kostenfrei https://www.mdpi.com/2072-4292/12/1/121 kostenfrei https://doaj.org/toc/2072-4292 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 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_4392 GBV_ILN_4700 AR 12 2020 1, p 121
allfields_unstemmed	10.3390/rs12010121 doi (DE-627)DOAJ014116499 (DE-599)DOAJbd475a6fa54542219d6f9f57716454bb DE-627 ger DE-627 rakwb eng Qin Li verfasserin aut Change Detection of Soil Formation Rate in Space and Time Based on Multi Source Data and Geospatial Analysis Techniques 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Spatialization of soil formation rate (<i<SFR</i<) is always a difficult problem in soil genesis. In this study, the dissolution rate in karst areas of China during the period 1983−2015 was estimated on the basis of geospatial analysis techniques and detection of variation via the law of chemical thermodynamics in conjunction with long-term serial ecohydrology data. <i<SFR</i< at different lithological backgrounds was calculated on the basis of the content of acid-insoluble substances. Results showed that the spatial dissolution rate of carbonate rock ranges between 0 and 106 mm/ka, averaged at 22.51 mm/ka, and the <i<SFR</i< ranges between 10 and 134.93 t km<sup<−2</sup< yr<sup<−1</sup<, averaged at 18.59 t km<sup<−2</sup< yr<sup<−1</sup<. The dissolution rate and <i<SFR</i< exhibit a slight increasing trend with 0.04 mm/ka and 0.003 t km<sup<−2</sup< yr<sup<−1</sup<, respectively. The risk for soil erosion was reevaluated on the basis of the <i<SFR</i< results, and the area with erosion risk and the ecologically safe area were corrected. Results indicated that the area with erosion risk is four times higher than the ecologically safe area. This study will hopefully instigate and facilitate the application and popularization of geospatial analysis technology to the research field of rock weathering and soil formation. karst soil formation rate carbonate soil erosion dissolution rate Science Q Shijie Wang verfasserin aut Xiaoyong Bai verfasserin aut Guangjie Luo verfasserin aut Xiaoqing Song verfasserin aut Yichao Tian verfasserin aut Zeyin Hu verfasserin aut Yujie Yang verfasserin aut Shiqi Tian verfasserin aut In Remote Sensing MDPI AG, 2009 12(2020), 1, p 121 (DE-627)608937916 (DE-600)2513863-7 20724292 nnns volume:12 year:2020 number:1, p 121 https://doi.org/10.3390/rs12010121 kostenfrei https://doaj.org/article/bd475a6fa54542219d6f9f57716454bb kostenfrei https://www.mdpi.com/2072-4292/12/1/121 kostenfrei https://doaj.org/toc/2072-4292 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 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_4392 GBV_ILN_4700 AR 12 2020 1, p 121
allfieldsGer	10.3390/rs12010121 doi (DE-627)DOAJ014116499 (DE-599)DOAJbd475a6fa54542219d6f9f57716454bb DE-627 ger DE-627 rakwb eng Qin Li verfasserin aut Change Detection of Soil Formation Rate in Space and Time Based on Multi Source Data and Geospatial Analysis Techniques 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Spatialization of soil formation rate (<i<SFR</i<) is always a difficult problem in soil genesis. In this study, the dissolution rate in karst areas of China during the period 1983−2015 was estimated on the basis of geospatial analysis techniques and detection of variation via the law of chemical thermodynamics in conjunction with long-term serial ecohydrology data. <i<SFR</i< at different lithological backgrounds was calculated on the basis of the content of acid-insoluble substances. Results showed that the spatial dissolution rate of carbonate rock ranges between 0 and 106 mm/ka, averaged at 22.51 mm/ka, and the <i<SFR</i< ranges between 10 and 134.93 t km<sup<−2</sup< yr<sup<−1</sup<, averaged at 18.59 t km<sup<−2</sup< yr<sup<−1</sup<. The dissolution rate and <i<SFR</i< exhibit a slight increasing trend with 0.04 mm/ka and 0.003 t km<sup<−2</sup< yr<sup<−1</sup<, respectively. The risk for soil erosion was reevaluated on the basis of the <i<SFR</i< results, and the area with erosion risk and the ecologically safe area were corrected. Results indicated that the area with erosion risk is four times higher than the ecologically safe area. This study will hopefully instigate and facilitate the application and popularization of geospatial analysis technology to the research field of rock weathering and soil formation. karst soil formation rate carbonate soil erosion dissolution rate Science Q Shijie Wang verfasserin aut Xiaoyong Bai verfasserin aut Guangjie Luo verfasserin aut Xiaoqing Song verfasserin aut Yichao Tian verfasserin aut Zeyin Hu verfasserin aut Yujie Yang verfasserin aut Shiqi Tian verfasserin aut In Remote Sensing MDPI AG, 2009 12(2020), 1, p 121 (DE-627)608937916 (DE-600)2513863-7 20724292 nnns volume:12 year:2020 number:1, p 121 https://doi.org/10.3390/rs12010121 kostenfrei https://doaj.org/article/bd475a6fa54542219d6f9f57716454bb kostenfrei https://www.mdpi.com/2072-4292/12/1/121 kostenfrei https://doaj.org/toc/2072-4292 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 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_4392 GBV_ILN_4700 AR 12 2020 1, p 121
allfieldsSound	10.3390/rs12010121 doi (DE-627)DOAJ014116499 (DE-599)DOAJbd475a6fa54542219d6f9f57716454bb DE-627 ger DE-627 rakwb eng Qin Li verfasserin aut Change Detection of Soil Formation Rate in Space and Time Based on Multi Source Data and Geospatial Analysis Techniques 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Spatialization of soil formation rate (<i<SFR</i<) is always a difficult problem in soil genesis. In this study, the dissolution rate in karst areas of China during the period 1983−2015 was estimated on the basis of geospatial analysis techniques and detection of variation via the law of chemical thermodynamics in conjunction with long-term serial ecohydrology data. <i<SFR</i< at different lithological backgrounds was calculated on the basis of the content of acid-insoluble substances. Results showed that the spatial dissolution rate of carbonate rock ranges between 0 and 106 mm/ka, averaged at 22.51 mm/ka, and the <i<SFR</i< ranges between 10 and 134.93 t km<sup<−2</sup< yr<sup<−1</sup<, averaged at 18.59 t km<sup<−2</sup< yr<sup<−1</sup<. The dissolution rate and <i<SFR</i< exhibit a slight increasing trend with 0.04 mm/ka and 0.003 t km<sup<−2</sup< yr<sup<−1</sup<, respectively. The risk for soil erosion was reevaluated on the basis of the <i<SFR</i< results, and the area with erosion risk and the ecologically safe area were corrected. Results indicated that the area with erosion risk is four times higher than the ecologically safe area. This study will hopefully instigate and facilitate the application and popularization of geospatial analysis technology to the research field of rock weathering and soil formation. karst soil formation rate carbonate soil erosion dissolution rate Science Q Shijie Wang verfasserin aut Xiaoyong Bai verfasserin aut Guangjie Luo verfasserin aut Xiaoqing Song verfasserin aut Yichao Tian verfasserin aut Zeyin Hu verfasserin aut Yujie Yang verfasserin aut Shiqi Tian verfasserin aut In Remote Sensing MDPI AG, 2009 12(2020), 1, p 121 (DE-627)608937916 (DE-600)2513863-7 20724292 nnns volume:12 year:2020 number:1, p 121 https://doi.org/10.3390/rs12010121 kostenfrei https://doaj.org/article/bd475a6fa54542219d6f9f57716454bb kostenfrei https://www.mdpi.com/2072-4292/12/1/121 kostenfrei https://doaj.org/toc/2072-4292 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 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_4392 GBV_ILN_4700 AR 12 2020 1, p 121
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authorswithroles_txt_mv	Qin Li @@aut@@ Shijie Wang @@aut@@ Xiaoyong Bai @@aut@@ Guangjie Luo @@aut@@ Xiaoqing Song @@aut@@ Yichao Tian @@aut@@ Zeyin Hu @@aut@@ Yujie Yang @@aut@@ Shiqi Tian @@aut@@
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author	Qin Li
spellingShingle	Qin Li misc karst misc soil formation rate misc carbonate misc soil erosion misc dissolution rate misc Science misc Q Change Detection of Soil Formation Rate in Space and Time Based on Multi Source Data and Geospatial Analysis Techniques
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topic_title	Change Detection of Soil Formation Rate in Space and Time Based on Multi Source Data and Geospatial Analysis Techniques karst soil formation rate carbonate soil erosion dissolution rate
topic	misc karst misc soil formation rate misc carbonate misc soil erosion misc dissolution rate misc Science misc Q
topic_unstemmed	misc karst misc soil formation rate misc carbonate misc soil erosion misc dissolution rate misc Science misc Q
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title	Change Detection of Soil Formation Rate in Space and Time Based on Multi Source Data and Geospatial Analysis Techniques
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title_full	Change Detection of Soil Formation Rate in Space and Time Based on Multi Source Data and Geospatial Analysis Techniques
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author_browse	Qin Li Shijie Wang Xiaoyong Bai Guangjie Luo Xiaoqing Song Yichao Tian Zeyin Hu Yujie Yang Shiqi Tian
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title_sort	change detection of soil formation rate in space and time based on multi source data and geospatial analysis techniques
title_auth	Change Detection of Soil Formation Rate in Space and Time Based on Multi Source Data and Geospatial Analysis Techniques
abstract	Spatialization of soil formation rate (<i<SFR</i<) is always a difficult problem in soil genesis. In this study, the dissolution rate in karst areas of China during the period 1983−2015 was estimated on the basis of geospatial analysis techniques and detection of variation via the law of chemical thermodynamics in conjunction with long-term serial ecohydrology data. <i<SFR</i< at different lithological backgrounds was calculated on the basis of the content of acid-insoluble substances. Results showed that the spatial dissolution rate of carbonate rock ranges between 0 and 106 mm/ka, averaged at 22.51 mm/ka, and the <i<SFR</i< ranges between 10 and 134.93 t km<sup<−2</sup< yr<sup<−1</sup<, averaged at 18.59 t km<sup<−2</sup< yr<sup<−1</sup<. The dissolution rate and <i<SFR</i< exhibit a slight increasing trend with 0.04 mm/ka and 0.003 t km<sup<−2</sup< yr<sup<−1</sup<, respectively. The risk for soil erosion was reevaluated on the basis of the <i<SFR</i< results, and the area with erosion risk and the ecologically safe area were corrected. Results indicated that the area with erosion risk is four times higher than the ecologically safe area. This study will hopefully instigate and facilitate the application and popularization of geospatial analysis technology to the research field of rock weathering and soil formation.
abstractGer	Spatialization of soil formation rate (<i<SFR</i<) is always a difficult problem in soil genesis. In this study, the dissolution rate in karst areas of China during the period 1983−2015 was estimated on the basis of geospatial analysis techniques and detection of variation via the law of chemical thermodynamics in conjunction with long-term serial ecohydrology data. <i<SFR</i< at different lithological backgrounds was calculated on the basis of the content of acid-insoluble substances. Results showed that the spatial dissolution rate of carbonate rock ranges between 0 and 106 mm/ka, averaged at 22.51 mm/ka, and the <i<SFR</i< ranges between 10 and 134.93 t km<sup<−2</sup< yr<sup<−1</sup<, averaged at 18.59 t km<sup<−2</sup< yr<sup<−1</sup<. The dissolution rate and <i<SFR</i< exhibit a slight increasing trend with 0.04 mm/ka and 0.003 t km<sup<−2</sup< yr<sup<−1</sup<, respectively. The risk for soil erosion was reevaluated on the basis of the <i<SFR</i< results, and the area with erosion risk and the ecologically safe area were corrected. Results indicated that the area with erosion risk is four times higher than the ecologically safe area. This study will hopefully instigate and facilitate the application and popularization of geospatial analysis technology to the research field of rock weathering and soil formation.
abstract_unstemmed	Spatialization of soil formation rate (<i<SFR</i<) is always a difficult problem in soil genesis. In this study, the dissolution rate in karst areas of China during the period 1983−2015 was estimated on the basis of geospatial analysis techniques and detection of variation via the law of chemical thermodynamics in conjunction with long-term serial ecohydrology data. <i<SFR</i< at different lithological backgrounds was calculated on the basis of the content of acid-insoluble substances. Results showed that the spatial dissolution rate of carbonate rock ranges between 0 and 106 mm/ka, averaged at 22.51 mm/ka, and the <i<SFR</i< ranges between 10 and 134.93 t km<sup<−2</sup< yr<sup<−1</sup<, averaged at 18.59 t km<sup<−2</sup< yr<sup<−1</sup<. The dissolution rate and <i<SFR</i< exhibit a slight increasing trend with 0.04 mm/ka and 0.003 t km<sup<−2</sup< yr<sup<−1</sup<, respectively. The risk for soil erosion was reevaluated on the basis of the <i<SFR</i< results, and the area with erosion risk and the ecologically safe area were corrected. Results indicated that the area with erosion risk is four times higher than the ecologically safe area. This study will hopefully instigate and facilitate the application and popularization of geospatial analysis technology to the research field of rock weathering and soil formation.
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container_issue	1, p 121
title_short	Change Detection of Soil Formation Rate in Space and Time Based on Multi Source Data and Geospatial Analysis Techniques
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In this study, the dissolution rate in karst areas of China during the period 1983−2015 was estimated on the basis of geospatial analysis techniques and detection of variation via the law of chemical thermodynamics in conjunction with long-term serial ecohydrology data. <i<SFR</i< at different lithological backgrounds was calculated on the basis of the content of acid-insoluble substances. Results showed that the spatial dissolution rate of carbonate rock ranges between 0 and 106 mm/ka, averaged at 22.51 mm/ka, and the <i<SFR</i< ranges between 10 and 134.93 t km<sup<−2</sup< yr<sup<−1</sup<, averaged at 18.59 t km<sup<−2</sup< yr<sup<−1</sup<. The dissolution rate and <i<SFR</i< exhibit a slight increasing trend with 0.04 mm/ka and 0.003 t km<sup<−2</sup< yr<sup<−1</sup<, respectively. The risk for soil erosion was reevaluated on the basis of the <i<SFR</i< results, and the area with erosion risk and the ecologically safe area were corrected. Results indicated that the area with erosion risk is four times higher than the ecologically safe area. 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Change Detection of Soil Formation Rate in Space and Time Based on Multi Source Data and Geospatial Analysis Techniques

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