EARTH AND ENVIRONMENT

Vol. 41, No.1, Tot No.291 2013

　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 　　

CONTENTS

Research Results

Relationships Between the Spatial Distribution of Karst Land Desertification and Geomorphology, Lithology, Precipitation, and Population Density in Guizhou Province……………………………………………………………………………………………………………………………………………………… ZHANG Xin-bao et al（1）

Climate Change of Yihe River Midstream Recorded in Geochemical Elements during the Last Deglaciation to the MiddleHolocen………WANG Qian-suo et al（7）

Distribution Characteristics and Environmental Significance of Heavy Metallic Elements in the Xiamen-Zhangzhou Soil Section…………………ZHANG Yin-e（13）

Comparative Study of Treatment Project for Internal Source Pollution of Inland Lake Eutrophication………………………………………………WANG Ying et al（20）

The Impact of Different Land Use Patterns on Soil Physical Properties and Microbes in Karst Small Watershed—A Case Study of Chengjiang Small Watershed

in Du’an County, Guangxi…………………………………………………………………………………………………………………………………………SU Guang-shi（29）

Study of Humification Degree for Estimating Organic Matter Contents of Peat on the Eastern Margin of the Tibetan Plateau………………SHENG En-guo et al（37）

Chemical Forms and Distribution of Phosphorus in Surface Sediments of Lake Hongze…………………………………………………………YANG Wen-lan et al（43）

Discharge Estimation of the Yangtze River's Paleovalley near the No4 Nanjing Yangtze River Bridge in the Last Glacial Maximum…………CUAN Jing-bo et al（50）

Study on the Soil Geochemical Characteristics of Jinsi Jujube Planting Areas in Leling, Shandong…………………………………………………WANG Cun-long（56）

Applied Study

Application of Microelectrode Measurement System in Research on Biogeochemical Processes across the Water-Sediment Interface in Hongfeng Lake………………………………………………………………………………………………………………………………………………………………WANG Jing-fu et al（65）

Establishment of the Assessment Model for Drinking Water Quality of City Resource Based on the Fuzzy Mathematical Model……………ZHAO Xiao-liang et al（71）

Research on Soil Heterogeneous Characteristics and Soil Conservative Model for Karst Dolomite Slope Land …………………………………HE Yong-bin et al（77）

Geochemical Characteristics of Dissolved Trace Metals in the Dongting Lake Basin, Hunan Province,China……………………………………LUO Jian-lan et al（82）

Expeviment Research

Indirect Measurement of Subcooled Liquid Solubility of Organic Components in NAPL…………………………………………………………………LIU Li-hua et al（90）