EARTH AND ENVIRONMENT

Vol. 39, No.1, Tot No.283 2011 

CONTENTS

Research Results

Using Stable Carbon Isotopes to Identify the Sources of Organic Carbon in Surface Waters of the Tianjin District………………………………WANG Zhong-Liang et al（1）

Environmental Geochemical Characteristics of Platinum-group Elements in Some Major Cities of China ………………………………………………ZHAO Zheng et al（9）

Hydrogeology of Epikarst in Karst Mountains-A Case Study of the Chenqi Catchment……………………………………………………………………ZHANG Zhi-cai et al（19）

The precipitation effect on the water cycle mode of karst subterranean stream catchment……………………………………………………………KANG Zhi-qiang et al（26）

Research on Speciation and Bioavailability of Arsenic in Soil…………………………………………………………………………………………………WANG Jin-cui et al（32）

The As distribution character in hair of Le An River Basin residents……………………………………………………………………………………………NI Shanqin et al（37）

Study on the Statistical Analysis of Gravels at Yangluo in Wuhan City………………………………………………………………………………………………MEI Hui et al（42）

Applied Study

Variations in Chemical Composition of Spring and Stream Water during Rain Events in a Karst Peak Cluster-Depression Catchment, Northwest Guangxi, China………………………………………………………………………………………………………………………………………………………………………DING Hu et al（48）

Using Pseudo-Cokriging to Investigate the Distribution of Groundwater Arsenic………………………………………………………………………JIANG Zhen-jiao et al（56）

Research on the Forming Mechanism and Forecasting of Debris Flow at Dianhuying, Yuanshi County, Hebei Province…………………………WANG Wei-zao et al（63）

Application of RS and GIS Technology in Disaster Risk Assessment of Single Landslide…………………………………………………………ZHANG Dong-hui et al（69）

Study and Application of Fuzzy Pattern Recognition Method for Analysis of Rocky Slope Stability……………………………………………………………XUE Kai-xi et al（76）

Land Suitability Evaluation in the Dianchi Lake Basin…………………………………………………………………………………………………………ZHAO Shi-min et al（80）

The Chemical Form Distribution Characteristics of Heavy Metal Zn in Soil and the Influence factors in the Water-level-fluctuating Zone of the Three-Gorges Reservoir Area…………………………………………………………………………………………………………………………………………………………………WANG Xiao-yang et al（85）

Studies of Biological Functions and Restoration of Biological Soil Crusts………………………………………………………………………………………HE Yun-ya et al（91）

Special Subject and Review

Progress in Microbial Geochemistry of Selenium in the Environment…………………………………………………………………………………………………LEI Lei et al（97）

The Analytical Method of Radionuclide Pu in Environmental Samples and Research Prospect………………………………………………………………ZENG Li et al（105）

Progress in Applications of Groundwater Ages in Groundwater Research ……………………………………………………………………………ZHAI Yuan-zheng et al（113）

New Techniques New Methods New Viewpoints

A Newly Developed Sampler for Collecting Lake Sediment Cores …………………………………………………………………………………………………LI Jian et al（121）

The Device for the Determination of Dissolved Inorganic Carbon in Water ……………………………………………………………………………………WU Yi-ying et al（125）

Experiment Research

Determination of Methylmercury in nature water by DGT-Ethylation-GC-CVAFS ………………………………………………………………………………LIU Jin-ling et al（130）