侵蚀速率

用~（36）Cl研究灰岩侵蚀速率的理论与方法

Theory and Method of Determining Erosion Rate in Limestone With ~ ( 36 ) Cl

表观侵蚀速率随渣中Al2O3含量的减少和温度的升高而增大；

Apparent erosion rate increases with the Al2O3 content decreases in the slags and the temperature rises .

利用~（137）Cs示踪农业耕作土壤侵蚀速率的定量模型

Quantitative model to estimate soil erosion rates using caesium-137 for cultivated soil

基于~（137）Cs地表富集作用的土壤侵蚀速率的定量模型

Quantitative Model Considering Surface Enrichment to Estimate Soil Erosion Rates Using 137 Cs

~（137）Cs技术测量土壤侵蚀速率常用模型讨论

Discussion on Several Models Used in Converting ~ ( 137 ) Cs Measurement to Soil Erosion Rates

~（137）Cs法测算黄土高原土壤侵蚀速率的初步研究

A preliminary assessment of the potential to use ~ ( 137 ) cs to estimate the rates of soil erosion in the Loess Plateau of China

小流域侵蚀速率与产沙关系的～（137）Cs、～（210）Pb（ex）示踪研究

Study on the Relationship between Soil Erosion Rate and Sediment Yield in Small Watershed by ~( 137 ) Cs and ~( 210 ) Pb_ ( ex ) Tracing Method

黄壤质地粘重，抗蚀性好，坡度29°的陡坡耕地的侵蚀速率仅2509t/（km2·a）。

However , erosion on cultivated yellow soils is not as severe as on the purple soils because of its clayey texture and high erosion resistance . The erosion rate on the slope of 29 ° is 2 509 t / ( km ~ 2 · a ) .

定量转换模型的选用是137Cs技术测量土壤侵蚀速率的一个关键，从最初的经验公式到现在的理论模型，形成了定量转换模型的两大主要类型。

The choice of a quantitative conversion model is a key to the () ~ ( 137 ) Cs measurement to estimate soil erosion rate . Two main kinds of models including preliminary empirical equations and recent theoretical models have been established .

本文简要介绍了137Cs示踪技术的基本原理，以及在黄土高原、长江上游等地侵蚀速率测定，泥沙来源调查，塘库沉积物断代等研究中的一些应用实例。

This paper will introduce the bases of the technique and shows several case studies of assessment of soil erosion rates , investigation of sediment sources and dating of reservoir deposits by using the technique in the Loess Plateau and the Upper Yangtze River Basin .

介绍了7Be的来源、散落特征及其在土壤颗粒中的存在形态，阐述了7Be示踪技术现有的土壤侵蚀速率定量估算模型，提出了我国开展7Be示踪土壤侵蚀过程研究的建议。

The authors introduced ~ 7Be origin source , fallout characteristics , forms in soil particles , and presented quantitative estimate model of soil erosion rate by using ~ 7Be as a tracer . The comments on using ~ 7Be as tracer for soil erosion research in China are presented .

揭示了在不同生物化学条件下，210Pb的行为特征和影响因素，并将210Pbex示踪碳酸盐岩区域土壤侵蚀速率结果与湖泊沉积速率相耦合，证明了利用210Pb示踪土壤侵蚀的可行性。

210 Pb geochemical behaviour in the soils and sediments and its effecting factors was studied under different conditions . The coupling relationship between soil erosion rates traced by 210 Pb and lake sedimentation proved that 210 Pb was reliable for tracing accumulation rate of soil particles .

地史时期土壤侵蚀速率方法主要介绍了阶地剖面方法和宇宙核素法。

The latter include terrace profile method and cosmogenic nuclides method .

构造变形会造成黄土产生构造裂隙、节理，增大黄土的侵蚀速率，促进黄土的坍塌和滑坡等侵蚀灾害的发生；

The structure deformation resulted in loess collapse and landslide ;

川中丘陵区小流域自然侵蚀速率的初步研究

Preliminary Study on Natural Erosion Rates in Small Watershed of Sichuan Hilly Basin

贵州碳酸盐岩区域的侵蚀速率及环境效应研究

Study on Watershed Erosion Rate and Its Environmental Effects in Guizhou Karst Region

材料侵蚀速率的计算，d。

Calculation of erosive rate of material . d.

黑土侵蚀速率及其对土壤质量的影响

Study on black soil erosion rate and the transformation of soil quality influenced by erosion

宇宙成因核素~（10）Be：估算长江流域侵蚀速率的新方法

Cosmogenic Nuclides ~ ( 10 ) Be : New Approach to Estimate Erosion Rate of Yangtze Catchment

结果表明，黄土高原坡地土壤侵蚀速率存在明显的空间格局，即山坡中、上部是土壤侵蚀最为严重的地带，土壤平均侵蚀速率高达82.8t/hm2.a以上；

The result indicated there are evident spatial patterns of soil loss and gain in the Loess Plateau .

黄土高原沟谷侵蚀速率研究&以洛川黄土源区为例

Study of the Gully Erosion Rates on the Loess Plateau ── Taking Luo Chuan Yuan As an Example

因此，如果能扣除后面的两个组分，即可获得源区的侵蚀速率。

Therefore , if the latter two components can be deducted , we can get the erosion rate .

对目前国内外土壤侵蚀速率研究方法进行了综合分类与介绍。

In this paper , methods of measuring soil erosion rate which are used at present in the world are discussed .

结果表明，不同岩类区与不同时期的泥沙流失量是不同的，与全新统比较，前震旦纪浅变质岩区水土保持较好，侵蚀速率下降；

Compared with the Holocene , Presinian epimetamorphic rocks region kept the soil and water losses less and the erosion rate descended .

通过大量的实验，抗渣试验采用静态坩埚法，计算侵蚀速率；

The slag corrosion resistance was studied by static crucible and the speed of corrosions was calculated on the basis of repeated experiments .

但有关坡地景观尺度土壤侵蚀速率的定量资料却相对较少。

However , little has been studied on quantitative assessment of spatial variability of soil erosion at different landscape scales in this area .

而外源水对白云岩的侵蚀速率在10-8mmol/cm2·s数量级，或约200mm/ka。

Whereas , for dolomite , in the order of 10 - 8 mmol / cm 2 · s , or 200 mm / ka .

阐述了核素比率应用的原理、特点及其能更为敏感地反映土壤侵蚀速率和过程等优点；

The principle and characteristics of the nuclides ratio technology are introduced , using several nuclides compoundly to distinguish soil erosion processes and to estimate soil erosion rate ;

这种方法能够考虑地形、重力、摩擦力、动力学、沉积和侵蚀速率等因素，同时还综合了随机的成分以便考虑储层的不确定性。

This method can consider some factors such as terrain , gravity , friction , dynamics , deposition and erosion rate , as well as integrate random processes to consider reservoir uncertainties .

相同坡度和坡长条件下，幼龄板栗园的土壤侵蚀速率>雷竹园>稀疏马尾松林地>茶园。

At same slope degree and length , the soil erosion rate was decreased with the order of young chestnut garden > bamboo field > sparse masson pine forest land > tea garden .