Several Key Issues on Using <sup>137</sup>Cs Method for Soil Erosion Estimation

Xunchang(John) ZHANG

doi:10.13961/j.cnki.stbctb.2017.05.058

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Several Key Issues on Using ¹³⁷Cs Method for Soil Erosion Estimation

- Several Key Issues on Using ¹³⁷Cs Method for Soil Erosion Estimation
- Bulletin of Soiland Water Conservation Vol. 37, Issue 5, Pages: 342-346(2017)
- 作者机构：
  
  美国农业部农业研究局牧草地实验室, 美国俄克拉何马州厄尔雷诺,73036
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2017.05.058
  CLC：
- Published：2017
- 稿件说明：
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Xunchang(John) ZHANG. Several Key Issues on Using ¹³⁷Cs Method for Soil Erosion Estimation[J]. Bulletin of Soiland Water Conservation, 2017, 37(5): 342-346.
DOI：

Xunchang(John) ZHANG. Several Key Issues on Using ¹³⁷Cs Method for Soil Erosion Estimation[J]. Bulletin of Soiland Water Conservation, 2017, 37(5): 342-346. DOI： 10.13961/j.cnki.stbctb.2017.05.058.

摘要

[目的

]

探讨用

137

Cs示踪技术估算土壤侵蚀量方法（以下简称"

137

Cs示踪方法"）所存在的几个关键问题，促进该方法的标准化和系统化。[方法

]

对大量已发表的相关文献进行分析，根据作者的研究经验，归纳出

137

Cs示踪方法在实践应用中所存在的核心问题。[结果

]

137

Cs示踪方法中关于

137

Cs在空间是均匀分布的假设存在不合理性，不能直接用于定量估算单钻点取样的土壤侵蚀量。

137

Cs活度的空间变化存在随机性的成分。敏感度和不确定性分析结果证明

137

Cs活度的空间随机变化量是

137

Cs示踪方法不确性的最大来源。[结论

]

可以用多钻点样本平均值来减少

137

Cs随机变化量所引起的侵蚀估算误差。以统计学为基础的试验设计和采取独立样本的办法可以消除该误差。虽然

137

Cs模型已被广泛应用，但由于缺乏长期观测资料诸多模型还处在理论研究阶段，没有得到严格的验证和评判。因为不同模型估算的侵蚀量差别甚大，模型验证和筛选对该方法的成功运用至关重要。

Abstract

[Objective] This work was to examine several key issues of using the 137Cs method to estimate soil erosion rates in order to improve and standardize the method.[Methods] Based on the comprehensive review and synthesis of a large body of published literature and extensive long-term research experience

several key issues in the application of the 137Cs method were generalized.[Results] The core assumption that spatial distribution of 137Cs inventories is uniform is invalid

and that the 137Cs method cannot be used to estimate quantitative soil erosion rates using a single soil core sample. The author emphasized that there existed a random component in 137Cs spatial variation

and showed that this spatial random component was the largest uncertainty contributor of the 137Cs method using the previous results from a sensitivity and uncertainty analysis.[Conclusion] The erosion estimation error resulting from spatial random variation can be filtered out by using a mean 137Cs inventory of multiple independent soil cores or samples. The spatial random component can be removed using appropriate sampling designs for taking independent samples based on geo-statistical properties. Although the 137Cs erosion models have been widely used in the literature

none of them has been vigorously tested and validated due to the lack of measured long-term soil loss data

and most models still remain theoretical. Because extremely large differences exist between model estimates

model validation and evaluation are utterly important for successful application and acceptance of the 137Cs method.

关键词

Keywords

references

郭兵,姜琳.基于多源地空耦合数据的青藏高原冻融侵蚀强度评价[J].水土保持通报,2017,37(4):12-19.

石万里,王守俊,张富.甘肃省黄土高原典型小流域侵蚀沟道特征[J].水土保持通报,2017,37(4):236-241.

左继超,胡建民,王凌云,等.侵蚀程度对红壤团聚体分布及养分含量的影响[J].水土保持通报,2017,37(1):112-117.

梁志权,张思毅,卓慕宁,等.不同雨强及坡度对华南红壤侵蚀过程的影响[J].水土保持通报,2017,37(2):1-6.

王晶,韩霁昌,张扬,等.砒砂岩与沙复配土壤的冻融特征[J].水土保持通报,2016,36(5):51-55.

张涛,金德钢,佟光臣,等.基于RUSLE的线状开发建设项目区土壤侵蚀动态监测[J].水土保持通报,2016,36(5):131-135.

Zapata F. Handbook for the Assessment of Soil Erosion and Sedimentation Using Environmental Radionuclides[M]. Kluwer Academic, Dordrecht, the Netherlands.2010.

Mabit L, Meusburger K, Fulajtar E, et al. The usefulness of

137

Cs as a tracer for soil erosion assessment:A critical reply to Parsons and Foster (2011)[J]. Earth Science Reviews, 2013,127:300-307.

Parsons A J, Foster I D L. What can we learn about soil erosion from the use of

137

Cs?[J] Earth Science Reviews, 2011,108(1/2):101-113.

Boardman J, Poesen J. Soil Erosion in Europe[M]. Wiley, Chichester. 2006.

Sutherland R A. Caesium-137 soil sampling and inventory variability in reference samples:literature survey[J]. Hydrological Processes, 1996,10:34-54.

Owens P N, Walling D E. Spatial variability of caesium-137 inventories at reference sites:An example from two contrasting sites in England and Zimbabwe[J]. Journal of Applied Radiation and Isotopes, 1996,47(7):699-707.

Zhang X C. New insights on using fallout radionuclides to estimate soil redistribution rates[J]. Soil Science Society of American Journal, 2014,79:1-8.

Porto P, Walling D E. Using plot experiments to test the validity of mass balance models employed to estimate soil redistribution rates

137

Cs and

210

measurements[J]. Journal of Applied Radiation and Isotopes, 2012,70:2451-2459.

Porto P, Walling D E, Ferro V, et al. Validating erosion rate estimates provided by caesium-137 measurements for two small forested catchments in Calabria, Southern Italy[J]. Land Degradation and Development, 2003,14:389-408.

Porto P, Walling D E. Validating the use of

137

Cs and

210

measurements to estimate rates of soil loss from cultivated land in Southern Italy[J]. Environmental Radioactivity Journal, 2012,106:47-57.

Porto P, Walling D E, Callegari E, et al. Using caesium-137 and unsupported lead-210 measurements to explore the relationship between sediment mobilization, sediment delivery and sediment yield for a Calabrian catchment[J]. Marine and Freshwater Research, 2009,60:680-689.

Wakiyama Y, Onda Y, Mizugaki S, et al. Soil erosion rates on forested mountain hillslopes estimated using

137

Cs and

210

. Geoderma, 2010,159:39-52.

Zhang X C, Zhang G H, Wei X, et al. Evaluation of

137

Cs conversion models and parameter sensitivity for erosion estimation[J]. Journal of Environmental Quality, 2015,44:789-802.

Walling D E, Zhang Y, He Q. Models for deriving estimates of erosion and deposition rates from fallout radionuclide (caesium-137, excess lead-210, and beryllium-7) measurements and the development of user friendly software for model implementation[C]//Impact of soil conservation measures on erosion control and soil quality. IAEATECDOC-1665. International Atomic Energy Agency, Vienna, 2011:11-33.

Walling D E, Quine T A. Calibration of caesium-137 measurements to provide quantitative erosion rate data[J]. Land Degradation and Rehabilitation, 1990,2:161-175.

Walling D E, He Q. Improved models for estimating soil erosion rates from cesium-137 measurements[J]. Journal of Environmental Quality, 1999,28:611-622.

Li S, Lobb D A, Tiessen H D, et al. Selecting and applying cesium-137 conversion models to estimate soil erosion rates in cultivated fields[J]. Journal of Environmental Quality, 2010,39:204-219.

Zhang X C, Zhang G H, Wei X. How to make

137

Cs erosion estimation more useful:An uncertainty perspective[J]. Geoderma, 2015,239/240:186-194.

方华军,杨学明,张晓平,等.

137

Cs示踪技术研究坡耕地黑土侵蚀和沉积特征[J].生态学报,2015,25(6):1376-1382.

李俊杰,李勇,王仰,等.三江源区东西样带土壤侵蚀的

137

Cs和

210

示踪研究[J].环境科学研究,2009,22(12):1452-1459.

唐翔宇,杨浩,赵其国,等.

137

Cs示踪技术在土壤侵蚀估算中的应用研究进展[J].地球科学进展,2000,15(5):576-582.

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⁰

Several Key Issues on Using 137Cs Method for Soil Erosion Estimation

DOI：10.13961/j.cnki.stbctb.2017.05.058

摘要

Abstract

关键词

Keywords

references

Several Key Issues on Using ¹³⁷Cs Method for Soil Erosion Estimation