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A Preliminary Study of the Impacts of Shelter Forest on Soil Erosion in Cultivated Land: Evidence from integrated Cs-137 and Pb-210(ex) Measurements
Su, Zheng-an1; Zhou, Tao1,2; Zhang, Xin-bao1; Wang, Xiao-yi1,3; Wang, Jun-jie1,2; Zhou, Ming-hua1; Zhang, Jian-hui1; He, Zhou-yao1,4; Zhang, Run-chuan1
Corresponding AuthorSu, Zheng-an(suzhengan@imde.ac.cn)
2021
Source PublicationSOIL & TILLAGE RESEARCH
ISSN0167-1987
EISSN1879-3444
Volume206Pages:104843
SubtypeArticle
Contribution Rank1
AbstractThe Three-North Shelter Forest Program (TNSFP) has played an important role in increasing the forest coverage and decreasing the wind erosion rate. Fallout radionuclides (FRNs), such as caesium-137 (Cs-137) and excess lead 210 ((210)Pbex), have extensively been used as fast and economical tools to estimate erosion rates over a broad range of spatial and temporal scales. However, the Cs-137 and (210)Pbex conversion models used to estimate annual soil erosion rates under steady state conditions have not been used to predict corresponding rates following reforestation due to the land-use changes that have occurred since 1963 in China. This study investigated the influence of shelter forest on soil erosion of cultivated land (CL) by using Cs-137 and (210)Pbex in northern China. Opposing trends in the spatial variation were found between the Cs-137 and (210)Pbex inventories, which were due to their differing sources and mass balances within the soil profile. Exploiting this finding, we propose a conceptual Cs-137 and (210)Pbex variation model to detect depth variations between before and after reforestation. Wind erosion rate was 29.11 +/- 14.42 Mg ha(1) yr(-1) in the CL when estimated with Cs-137. However, estimation by the revised (210)Pbex mass balance model showed that wind erosion rates were 68.55 +/- 22.11 and-8.52 +/- 47.32 Mg ha(1) yr(-1) before and after the surrounding forest matured, respectively. The spatial variation in the Cs-137 inventories mainly reflects the soil erosion patterns before the surrounding shelter forest matured, while the spatial variation in the (210)Pbex inventories mainly reflects the soil erosion patterns after the surrounding shelter forest matured. Furthermore, the soil erosion rates that were deduced from the (210)Pbex conversion model confirmed that the TNSFP played an important role in decreasing the soil erosion rates and intercepting sandstorms in northern China. Thus, the advantages and limitations associated with the use of FRNs for assessing wind erosion in the study area were also proposed. More attention should also be paid to the limitation of estimating soil erosion rates by using FRNs measurements in the TNSFP region of China.
KeywordThree-North Shelter Forest Cs-137 Pb-210(ex) Conversion model Spatial patterns Soil erosion rate
DOI10.1016/j.still.2020.104843
Indexed BySCI
WOS KeywordSICHUAN HILLY BASIN ; REDISTRIBUTION RATES ; CLIMATE-CHANGE ; RIVER BASIN ; CARBON ; DEGRADATION ; (CS)-C-137 ; MODELS ; REGION
Language英语
Funding ProjectMajor Science and Technology Program for Water Pollution Control and Treatment[2017ZX07101001] ; National Key Research and Development Program of China[2017YFC0505102] ; Sichuan Science and Technology Program[2018JY0034] ; Sichuan Science and Technology Program[2018SZDZX0034]
WOS Research AreaAgriculture
WOS SubjectSoil Science
WOS IDWOS:000596194200009
Funding OrganizationMajor Science and Technology Program for Water Pollution Control and Treatment ; National Key Research and Development Program of China ; Sichuan Science and Technology Program
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/55094
Collection山地灾害与地表过程重点实验室
山地表生过程与生态调控重点实验室
Corresponding AuthorSu, Zheng-an
Affiliation1.Key Laboratory of Mountain Hazards and Earth Surface Processes, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China;
2.University of Chinese Academy of Science, Beijing 100049, China;
3.College of Water Conservancy and Hydropower Engineering, Sichuan Agricultural University, Ya'an 625014, China;
4.College of Forestry, Sichuan Agricultural University, Chengdu 611130, China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Corresponding Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Su, Zheng-an,Zhou, Tao,Zhang, Xin-bao,et al. A Preliminary Study of the Impacts of Shelter Forest on Soil Erosion in Cultivated Land: Evidence from integrated Cs-137 and Pb-210(ex) Measurements[J]. SOIL & TILLAGE RESEARCH,2021,206:104843.
APA Su, Zheng-an.,Zhou, Tao.,Zhang, Xin-bao.,Wang, Xiao-yi.,Wang, Jun-jie.,...&Zhang, Run-chuan.(2021).A Preliminary Study of the Impacts of Shelter Forest on Soil Erosion in Cultivated Land: Evidence from integrated Cs-137 and Pb-210(ex) Measurements.SOIL & TILLAGE RESEARCH,206,104843.
MLA Su, Zheng-an,et al."A Preliminary Study of the Impacts of Shelter Forest on Soil Erosion in Cultivated Land: Evidence from integrated Cs-137 and Pb-210(ex) Measurements".SOIL & TILLAGE RESEARCH 206(2021):104843.
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