EARTH AND ENVIRONMENT

Vol. 42, No.2, Tot No. 298 2014

CONTENTS

Research Results

Heavy Metal Contamination and Its Environmental Implication of Post AswanDam Lagoons of the Nile Delta, Egypt …………………………………………………………………………………………………………………………………………GU Jia-wei et al（129）

Grain Size Characteristics and Environmental Significance of the Cave Alluviumin the Huanghe Cave National Geopark of Guizhou Province—A Case Studyof the Shuanghe Cave…………………………………………………………………………………WU Ke-hua et al（138）

Analysis of Hydrochemical Ion Characteristics and Their Temporal and SpatialVariations in the Karst Basin of the Xingzi River, North GuangdongProvince ……………………………………………………………………………………………………………CHEN Zhou et al（145）

Analysis of the Latest Development and Tendency of Relative Sea Level Changein Tianjin, China ………………………………………………………………………………………………………………………………………………YANG Xi et al（157）

Analysis of Precipitation Distribution and Drought and Flood Disasters in Chuxiong City on the Yunnan Plateau ………………………………………………………………………………………………………………………………………………HE Ping et al（162）

Can Carbon in Calcium Carbonate Be Utilized by Microalgae   …………………………………………………………………………………………………………………………………… XIE Teng-xiang et al（168）

Effect of Extracellular Carbonic Anhydrase on the Stable Carbon Isotopic Composition of Microalgae in Lake ………………………………………………………………………………………………………………………………………… Li Hai-tao et al（174）

Research on the Change of Spatial Landscape Pattern in Maolan NatureReserve …………………………………………………………………………………………………………………………………………… CHEN Yin et al（179）

Using137Cs Technique to Study Soil Erosion in Chishui River Region ……………………………………………………………………………………………………………………………………… ZHANG Yi-lan et al（187）

Gray Correlation Analysis of Coal Production & Consumption andTemperature Variation in Shanxi Province ……………………………………………………………………………………………………………………………………………… LI Fen et al（193）

The Migration of U and Th in the Tailings plants System …………………………………………………………………FENG Yong et al（201）

Applied Study

Research on Carbonate Rock Corrosion Rate by Allogenic Water as Exemplifiedby the Maocun Subterranean River in Guilin ………………………………………………………………………………………………………………………………………………TANG Wei et al（207）

SPAC Water Potential Gradient and Its Environmental Effect in DifferentRocky Desertification Grades in Guangxi ………………………………………………………………………………………………………………………………………………DENG Yan et al（213）

Rainfall-runoff Response Characteristic Analysis of Chenqi Karst Watershed in Southern China …………………………………………………………………………………………………………………………………………… ZHENG Xue et al（221）

Spatial and Temporal Changes in Soil Carbon Storage in the Lower Yellow River Basin,Shandong Province ……………………………………………………………………………………………………………………………………… WANG Cun-long et al（228）

Research on the Characteristics of Agricultural Soil Environment in Weishe Town,Bijie City, Guizhou Province ……………………………………………………………………………………………………………………………………………LI Cui-cui et al（238）

Research on and Application of the Background Values of Dominant Metals in Surface Dust in the Vicinity of Kaifeng City, China ……………………………………………………………………………………………………………………………………………LIU De-xin et al（245）

Fuzzy Comprehensive Evaluation of Integrated Disaster Risk in Chongqing …………………………………………… YANG Juan et al（252）

Progressin the Application of Raman Spectroscopy to Water Quality Analysis ………………………………………… WANG Yan et al（260）

Research on Anti Radiation Technique for Electronic System in the Radiation Environment ……………………LIU Cheng-an et al（265）