Vol. 49, No.4, Tot No.342 2021----Institute of Geochemistry Chinese Academy of Sciences

EARTH AND ENVIRONMENT
Vol. 49, No.4, Tot No.342 2021

CONTENTS

347	Hydrochemical Characteristics of River in a Representative Silicate Rock Region under Natural Weathering and Anthropogenic Activities—A Case Study of the Fuhe River in the Middle and Lower Reaches of the Yangtze River LI Jianhua et al
358	Hydrochemical Characteristics of Nyangchu River Basin in Tibet RENZENG Lamu et al
367	Spatial-temporal Variation of Water Quality in Aha Reservoir of Guiyang City in Recent Ten Years (2009-2018) ZENG Huaxian et al
375	Characteristics and Source Apportionment of Black Carbon in the Atmosphere of Typical Plateau City in Southwest China ZHOU Ruiguo et al
381	Characteristics of 5-year Atmospheric Dry Deposition and Annual Variations of Main Ions in Wet Precipitation in Taiyuan City SONG Zhihui et al
389	A Study on the Spatial and Temporal Changes of Traffic-related Pollutants in Urban Street Canyon by Mobile Monitoring Technology CHAI Jinpeng et al
400	Analysis of Water Vapor Source and Contribution of Recycled Moisture to Precipitation in Southwest China Based on LMDZ Model WU Xixi et al
409	Vertical Distribution of Soil Carbonate Concentration and the Carbon Isotopic Composition in Typical Soil Profiles from Guizhou Karst Areas, Southwest China LI Longbo et al
416	Pollution Evaluation and Source Apportionment of Heavy Metals in Surface Sediments of the Taihu Lake REN Jie et al
428	Risk Assessment of Toxic Metals in Edible Mushrooms Collected from Urban Markets in Guiyang City JIA Yanlong et al
436	Chemical Characteristics of Groundwater and Health Risk Assessment of Nitrate in Tancheng Area HAN Cong et al
447	Optimal Design of Submersible Eco-medium Box and Its Effect on the Repairing Black and Odorous Water YANG Na et al
455	Study on the Solidification Effect of Red-mud on Soluble Manganese Ions in Electrolytic Manganese Slag LIU Jin et al