EARTH AND ENVIRONMENT

Vol. 39, No.2, Tot No.283 2011

CONTENTS

Research Results

Comparative Research on Soil Water Movement Between Karst and non-karst Plots in Libo County of Guizhou Province, China…………….LIU Wei et al（137）

Analysis of Main Geological Environmental Factors in High-Incidence Area of Esophageal Cancer in Longyou County, Zhejiang Province………………………………………………………………………………………………………………………………………………………CAI Zi-hua et al（150）

Soil Erosion Rates on the Guizhou Mawo Hill in the Past 50000 Years………………………………………………………………………………GE Jia-jie et al（156）

Response of karst carbon sink dynamic behaviors to rainfall —— a case study in Maocun Subterranean river of Guilin……………………TANG Wei et al（161）

Research on As Flux in soils of the Hebei Plain , China……………………………………………………………………………………………SONG Ze-feng et al（167）

Influence of Rainfall on Soil Respiration in Karst Urban Green Space……………………………………………………………………………LU Wen-qiang et al（174）

Discussion on the Characteristics and Causes of Iron and Manganese Pollution in Drinking Water Sources in Zhoushan, Zhejiang Province……………………………………………………………………………………………………………………………………………………CHEN Xin-feng et al（181）

Research on Soil Microbial Biomass Carbon and Nitrogen at the Different Stages of Vegetation Succession in the Maolan Karst Area……LIU Yu-jie et al（188）

Seasonal Variation and Relationship Between Soil CO2 Concentrations and Surface CO2 fluxes……………………………………CHENG Jian-zhong et al（196）

Analysis on the Temporal and Spatial Variations of Hydrochemical Characteristics of Shallow Groundwater in Nankou, Beijing……JIANG Ti-sheng et al（203）

Applied Study

Seepage Mathematical Model of Landfill Gas on Account of Fluid-Structure Coupling Effect…………………………………………………LIU Dong-yan et al（209）

Research on the Compress Strain Model of Municipal Solid Waste……………………………………………………………………………...FENG Guo-jian et al（215）

Water Body Evolution and Its Landscape Ecological Effects Caused by Panxie Coal Mine Coal Underground Mining in Area ………………MENG Lei et al（219）

Time Series Analysis of Landslide Displacement Take the Subgrade Lanslide of Chu-Meng Road Which Is From K64+200 to K64+228 for Instance………………………………………………………………………………………………………………………………………………ZHANG De-cheng et al（224）

Chemical Speciation and Evaluation of Some Heavy Metal in Jiashan, Zhejiang Province………………………………………………………HU Yan-hua et al（231）

Discussion on the Geoecological Environmental Carrying Capacity of Mineral Resource Exploitation in Western Regions……………HE Zheng-wei et al（237）

Fuzzy Comprehensive Evaluation on the Environmental Air Quality of Fuxin City…………………………………………………………………LUO Gen-hua et al（242）

Study on Retrieval of Urban Heat Island Effect from RS Date in a Typical Karst Area—A Case Study in Guiyang City……………………………CAI Hong et al（246）

Special Subject and Review

Loess and Environmental Change on the Eastern Edges of the Qingha-Xizang Plateau………………………………………………………WEN Xing-yue et al（251）

Research on Karst Desertification Management in a Small Watershed Based on W-S-R Methodology……………………………………WANG De-guang et al（257）

New Techniques New Methods New Viewpoints

Study on the Method of Measuring Denitrification Strength of Vadose Zone Soil………………………………………………………………………ZHANG Yun et al（263）

Experiment Research

The Characteristics of Bicarbonate Used by Plants…………………………………………………………………………………………………………WU Yan-you et al（273）

Effect of Biochar Amendment on Nitrogen Leaching in Soil……………………………………………………………………………………………ZHOU Zhi-hong et al（278）