The Experts below are selected from a list of 360 Experts worldwide ranked by ideXlab platform

Tianming Huang - One of the best experts on this subject based on the ideXlab platform.

  • sources of Water Pollution and evolution of Water quality in the wuwei basin of shiyang river northwest china
    Journal of Environmental Management, 2009
    Co-Authors: Zhenyu Ding, Hua Zhao, Tianming Huang
    Abstract:

    Based on surveys and chemical analyses, we performed a case study of the surface Water and groundWater quality in the Wuwei basin, in order to understand the sources of Water Pollution and the evolution of Water quality in Shiyang river. Concentrations of major chemical elements in the surface Water were related to the distance downstream from the source of the river, with surface Water in the upstream reaches of good quality, but the river from Wuwei city to the Hongya reservoir was seriously polluted, with a synthetic Pollution index of 25. GroundWater quality was generally good in the piedmont with dominant bicarbonate and calcium ions, but salinity was high and nitrate Pollution occurs in the northern part of the basin. Mineralization of the groundWater has changed rapidly during the past 20 years. There are 23 wasteWater outlets that discharge a total of 22.4 x 10(6) m(3) y(-1) into the river from Wuwei city, which, combined with a reduction of inflow Water, were found to be the major causes of Water Pollution. Development of fisheries in the Hongya reservoir since 2000 has also contributed to the Pollution. The consumption of Water must be decreased until it reaches the sustainable level permitted by the available resources in the whole basin, and discharge of wastes must also be drastically reduced. (c) 2008 Elsevier Ltd. All rights reserved.

  • sources of Water Pollution and evolution of Water quality in the wuwei basin of shiyang river northwest china
    Journal of Environmental Management, 2009
    Co-Authors: Zhenyu Ding, Hua Zhao, Guoxiao Wei, Tianming Huang
    Abstract:

    Based on surveys and chemical analyses, we performed a case study of the surface Water and groundWater quality in the Wuwei basin, in order to understand the sources of Water Pollution and the evolution of Water quality in Shiyang river. Concentrations of major chemical elements in the surface Water were related to the distance downstream from the source of the river, with surface Water in the upstream reaches of good quality, but the river from Wuwei city to the Hongya reservoir was seriously polluted, with a synthetic Pollution index of 25. GroundWater quality was generally good in the piedmont with dominant bicarbonate and calcium ions, but salinity was high and nitrate Pollution occurs in the northern part of the basin. Mineralization of the groundWater has changed rapidly during the past 20 years. There are 23 wasteWater outlets that discharge a total of 22.4 x 10(6)m(3)y(-1) into the river from Wuwei city, which, combined with a reduction of inflow Water, were found to be the major causes of Water Pollution. Development of fisheries in the Hongya reservoir since 2000 has also contributed to the Pollution. The consumption of Water must be decreased until it reaches the sustainable level permitted by the available resources in the whole basin, and discharge of wastes must also be drastically reduced.

Rema Hanna - One of the best experts on this subject based on the ideXlab platform.

  • environmental regulations air and Water Pollution and infant mortality in india
    The American Economic Review, 2014
    Co-Authors: Michael Greenstone, Rema Hanna
    Abstract:

    Using the most comprehensive data file ever compiled on air Pollution, Water Pollution, environmental regulations, and infant mortality from a developing country, the paper examines the effectiveness of India's environmental regulations. The air Pollution regulations were effective at reducing ambient concentrations of particulate matter, sulfur dioxide, and nitrogen dioxide. The most successful air Pollution regulation is associated with a modest and statistically insignificant decline in infant mortality. However, the Water Pollution regulations had no observable effect. Overall, these results contradict the conventional wisdom that environmental quality is a deterministic function of income and underscore the role of institutions and politics.

  • Environmental Regulations, Air and Water Pollution, and Infant Mortality in India
    American Economic Review, 2014
    Co-Authors: Michael Greenstone, Rema Hanna
    Abstract:

    Using the most comprehensive developing country dataset ever compiled on air and Water Pollution and environmental regulations, the paper assesses India's environmental regulations with a difference-in-differences design. The air Pollution regulations are associated with substantial improvements in air quality. The most successful air regulation resulted in a modest but statistically insignificant decline in infant mortality. In contrast, the Water regulations had no measurable benefits. The available evidence leads us to cautiously conclude that higher demand for air quality prompted the effective enforcement of air Pollution regulations, indicating that strong public support allows environmental regulations to succeed in weak institutional settings. (JEL I12, J13, O13, Q53, Q58)

  • Environmental Regulations, Air and Water Pollution, and Infant Mortality in India
    SSRN Electronic Journal, 2011
    Co-Authors: Michael Greenstone, Rema Hanna
    Abstract:

    Using the most comprehensive developing country dataset ever compiled on air and Water Pollution and environmental regulations, the paper assesses India’s environmental regulations with a difference-in-differences design. The air Pollution regulations are associated with substantial improvements in air quality. The most successful air regulation resulted in a modest, but statistically insignificant decline in infant mortality. In contrast, the Water regulations had no measurable benefits. The available evidence leads us to cautiously conclude that higher demand for air quality prompted the effective enforcement of air Pollution regulations, indicating that strong public support allows environmental regulations to succeed in weak institutional settings.

Laijun Zhao - One of the best experts on this subject based on the ideXlab platform.

  • harmonizing model with transfer tax on Water Pollution across regional boundaries in a china s lake basin
    European Journal of Operational Research, 2013
    Co-Authors: Laijun Zhao, Rongbing Huang, Jian Xue, Wei Huang
    Abstract:

    Abstract This paper presents a bilevel programming framework for a harmonizing model with transfer tax (HMTT) on Water Pollution across regional boundaries of a lake basin in China, where the administrator is the upper-level decision maker and individual regions consisting of the lake basin are the lower-level decision makers (followers). Leader’s cost is the total Pollution reduction cost, whereas each region selfishly minimizes its own cost including reduction cost and transfer cost, given the transfer tax rate imposed by the leader. The HMTT guarantees that the imposed environmental quality standard is met through the transfer tax. Based on the KKT conditions of an auxiliary problem, we obtain that the solution set of the HMTT is nonempty. An algorithm is proposed, with the convergence result, to compute the cost-minimized transfer tax rate along with the reduction quantities of individual regions. Theoretical analysis and a case study for China’s Taihu Lake Basin show that the HMTT is superior to the current model of proportional share of Pollution reduction (MPSPR). The HMTT not only solves the problem of conflicts over Water Pollution across regional boundaries but also utilizes the resources of the lake basin more efficiently.

  • model of transfer tax on transboundary Water Pollution in china s river basin
    Operations Research Letters, 2012
    Co-Authors: Laijun Zhao, Ying Qian, Rongbing Huang, Changmin Li, Yue Hu
    Abstract:

    Abstract Transboundary Water Pollution is a persistent problem in China. This study proposes a Model of Transfer Tax (MTT) which incorporates a typical Stackelberg game between the administrator and individual region of a river basin. The MMT model considers the geographic structure of a river basin and can be used to compute an optimal pollutant transfer tax rate. Given the tax rate, an individual region can decide its optimal Pollution reduction. The transfer tax rate serves as an ecological compensation standard that enhances cooperation on Pollution reduction among the regions, achieving the minimum Pollution reduction cost for the whole river basin.

Zhenyu Ding - One of the best experts on this subject based on the ideXlab platform.

  • sources of Water Pollution and evolution of Water quality in the wuwei basin of shiyang river northwest china
    Journal of Environmental Management, 2009
    Co-Authors: Zhenyu Ding, Hua Zhao, Tianming Huang
    Abstract:

    Based on surveys and chemical analyses, we performed a case study of the surface Water and groundWater quality in the Wuwei basin, in order to understand the sources of Water Pollution and the evolution of Water quality in Shiyang river. Concentrations of major chemical elements in the surface Water were related to the distance downstream from the source of the river, with surface Water in the upstream reaches of good quality, but the river from Wuwei city to the Hongya reservoir was seriously polluted, with a synthetic Pollution index of 25. GroundWater quality was generally good in the piedmont with dominant bicarbonate and calcium ions, but salinity was high and nitrate Pollution occurs in the northern part of the basin. Mineralization of the groundWater has changed rapidly during the past 20 years. There are 23 wasteWater outlets that discharge a total of 22.4 x 10(6) m(3) y(-1) into the river from Wuwei city, which, combined with a reduction of inflow Water, were found to be the major causes of Water Pollution. Development of fisheries in the Hongya reservoir since 2000 has also contributed to the Pollution. The consumption of Water must be decreased until it reaches the sustainable level permitted by the available resources in the whole basin, and discharge of wastes must also be drastically reduced. (c) 2008 Elsevier Ltd. All rights reserved.

  • sources of Water Pollution and evolution of Water quality in the wuwei basin of shiyang river northwest china
    Journal of Environmental Management, 2009
    Co-Authors: Zhenyu Ding, Hua Zhao, Guoxiao Wei, Tianming Huang
    Abstract:

    Based on surveys and chemical analyses, we performed a case study of the surface Water and groundWater quality in the Wuwei basin, in order to understand the sources of Water Pollution and the evolution of Water quality in Shiyang river. Concentrations of major chemical elements in the surface Water were related to the distance downstream from the source of the river, with surface Water in the upstream reaches of good quality, but the river from Wuwei city to the Hongya reservoir was seriously polluted, with a synthetic Pollution index of 25. GroundWater quality was generally good in the piedmont with dominant bicarbonate and calcium ions, but salinity was high and nitrate Pollution occurs in the northern part of the basin. Mineralization of the groundWater has changed rapidly during the past 20 years. There are 23 wasteWater outlets that discharge a total of 22.4 x 10(6)m(3)y(-1) into the river from Wuwei city, which, combined with a reduction of inflow Water, were found to be the major causes of Water Pollution. Development of fisheries in the Hongya reservoir since 2000 has also contributed to the Pollution. The consumption of Water must be decreased until it reaches the sustainable level permitted by the available resources in the whole basin, and discharge of wastes must also be drastically reduced.

Michael Greenstone - One of the best experts on this subject based on the ideXlab platform.

  • environmental regulations air and Water Pollution and infant mortality in india
    The American Economic Review, 2014
    Co-Authors: Michael Greenstone, Rema Hanna
    Abstract:

    Using the most comprehensive data file ever compiled on air Pollution, Water Pollution, environmental regulations, and infant mortality from a developing country, the paper examines the effectiveness of India's environmental regulations. The air Pollution regulations were effective at reducing ambient concentrations of particulate matter, sulfur dioxide, and nitrogen dioxide. The most successful air Pollution regulation is associated with a modest and statistically insignificant decline in infant mortality. However, the Water Pollution regulations had no observable effect. Overall, these results contradict the conventional wisdom that environmental quality is a deterministic function of income and underscore the role of institutions and politics.

  • Environmental Regulations, Air and Water Pollution, and Infant Mortality in India
    American Economic Review, 2014
    Co-Authors: Michael Greenstone, Rema Hanna
    Abstract:

    Using the most comprehensive developing country dataset ever compiled on air and Water Pollution and environmental regulations, the paper assesses India's environmental regulations with a difference-in-differences design. The air Pollution regulations are associated with substantial improvements in air quality. The most successful air regulation resulted in a modest but statistically insignificant decline in infant mortality. In contrast, the Water regulations had no measurable benefits. The available evidence leads us to cautiously conclude that higher demand for air quality prompted the effective enforcement of air Pollution regulations, indicating that strong public support allows environmental regulations to succeed in weak institutional settings. (JEL I12, J13, O13, Q53, Q58)

  • Environmental Regulations, Air and Water Pollution, and Infant Mortality in India
    SSRN Electronic Journal, 2011
    Co-Authors: Michael Greenstone, Rema Hanna
    Abstract:

    Using the most comprehensive developing country dataset ever compiled on air and Water Pollution and environmental regulations, the paper assesses India’s environmental regulations with a difference-in-differences design. The air Pollution regulations are associated with substantial improvements in air quality. The most successful air regulation resulted in a modest, but statistically insignificant decline in infant mortality. In contrast, the Water regulations had no measurable benefits. The available evidence leads us to cautiously conclude that higher demand for air quality prompted the effective enforcement of air Pollution regulations, indicating that strong public support allows environmental regulations to succeed in weak institutional settings.