Effect of Distance on the Preservation Value of Water Quality

1985 ◽  
Vol 61 (3) ◽  
pp. 281 ◽  
Author(s):  
Ronald J. Sutherland ◽  
Richard G. Walsh
Keyword(s):  
Water Quality ◽  
Value Of Water ◽  
Preservation Value

What Price for Ecosystem Services in China?

2017 ◽  
pp. 176-198
Author(s):  
Haixia Zheng ◽  
Stale Navrud ◽  
Shiran Shen
Keyword(s):  
Water Quality ◽  
Quality Improvement ◽  
Ecosystem Services ◽  
Water Resources ◽  
River Basin ◽  
Contingent Valuation Method ◽  
Policy Instrument ◽  
Miyun Reservoir ◽  
Water Quality Improvement ◽  
Value Of Water

Payment for Environmental Services (PES) in the watershed has been widely adopted as an important policy instrument to compensate upstream water users for providing water quality improvement for the whole river basin. In this paper, we use three independent valuation methods to determine the price of ecosystem service (ES), particularly water quality, in Miyun Reservoir, the main surface water source for Beijing. We find that the value of water quality is lowest using opportunity cost of limitation of development rights (OCLDR), highest with contingent valuation method (CVM), and water resources benefits assessment (WRBA) gives an in-between value. OCLDR determines the size of subsidies from those that benefit from water quality improvement from upstream. WRBA is a reference for compensation criteria to the upstream government and farmers when water resources are transferred across jurisdictional boundaries. CVM not only captures the direct value of water quality improvement, but also the indirect value of improvement in other ecosystem services as a result of improvement in water quality. Based on the results, we propose a multi-level ecological compensation system for the Miyun Reservoir river basin. We use OCLDR to determine subsides/ compensation to upstream farmers and other suppliers of the ES; WRBA set the price of water transfer; and CVM to figure out the size of payments for integrated water quality improvement.

scholarly journals Robot Boat Design For Real-Time Monitoring Of River Water Quality

2020 ◽  
Vol 2 (2) ◽  
pp. 56-58
Author(s):  
Santra Prabowohendhi ◽  
Ferida Yuamita ◽  
Andung Jati Nugroho
Keyword(s):  
Water Quality ◽  
Real Time ◽  
River Water ◽  
Ph Value ◽  
Fish Farming ◽  
Environmental Conservation ◽  
River Water Quality ◽  
Ph Indicator ◽  
Value Of Water ◽  
Yogyakarta City

As the population grows in big cities and watersheds, it will significantly impact river waters. One of the settlements located on the banks of the river Winongo is Ngampil village, Ngampil sub-district, Yogyakarta City. According to data from the Yogyakarta City Central Statistics Agency, the population of the Ngampil sub-district increased in 2018 to 18,591 inhabitants, from 2016 with 10,540 inhabitants, the Winongo River is used by the Ngampil residents for fish farming by making cages and also residents who use the Winongo River for activities environmental conservation. One effort to control water pollution is to monitor water quality consistently. The problem in this research is the absence of tools to monitor river water quality. Therefore, it is necessary to design an efficient monitoring tool to read water quality with a ph indicator in real-time using the hovercraft method through the internet of things method. Utilizing this robot boat tool can monitor river water quality using an automatic drive system and display the river water's pH indicator on the website. This research showed river water quality at 6:00 in the morning with a pH value of water 6.81 information Poor / Contaminated by Weight, daytime at 12.00 with a pH value of water 6.77 information Poor / Contaminated by Weight, and afternoon at 18.00 with a water ph value of 6.66 information Poor / Severely polluted.

SISTEM PENDETEKSI KUALITAS AIR DI SEKITAR PESISIR PANTAI TONDO MENGGUNAKAN METODE FUZZY LOGIC

Foristek ◽  
2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Mohammad Idham Sesengi ◽  
Jumiyatun Jumiyatun ◽  
Yusnaini Arifin ◽  
Sari Dewi
Keyword(s):  
Water Quality ◽  
Fuzzy Logic ◽  
Drinking Water ◽  
Temperature Sensor ◽  
Ph Sensor ◽  
Quality System ◽  
Quality Of Water ◽  
Fuzzy Logic Method ◽  
Value Of Water

The disaster that hit Palu City recently caused changes in the quality of water consumed by the community. To find out whether it is feasible or not, a method is needed to detect a water quality system that is easy to apply at an economical price so that people can know for sure the quality of the water they use for their daily needs. Therefore, a tool is designed to determine the quality of water, which samples are taken around the coast of Tondo by using the Fuzzy Logic method. This design was built using the Arduino module by combining four sensors, namely a pH sensor, a TDS sensor, a Turbidity sensor, and a temperature sensor. Water quality in this study was divided into three groups, namely drinking water (UM), water for washing (UC), and water not suitable for use (TL). While the water quality benchmarks are known from the incorporation of existing sensor readings, so that the value of water quality measured in the study is in the unsuitable category with a fuzzy value of 100 in sample 1, and to use washing with a fuzzy value of 45.68 in sample 2, and 26.4 in sample 3.

Estimating the value of water quality improvements in a recreational demand framework

1987 ◽  
Vol 23 (5) ◽  
pp. 951-960 ◽  
Author(s):  
Nancy E. Bockstael ◽  
W. Michael Hanemann ◽  
Catherine L. Kling
Keyword(s):  
Water Quality ◽  
Quality Improvements ◽  
Recreational Demand ◽  
Value Of Water

What Price for Ecosystem Services in China?

2017 ◽  
pp. 171-192
Author(s):  
Haixia Zheng ◽  
Stale Navrud ◽  
Shiran Shen
Keyword(s):  
Water Quality ◽  
Quality Improvement ◽  
Ecosystem Services ◽  
Water Resources ◽  
River Basin ◽  
Contingent Valuation Method ◽  
Policy Instrument ◽  
Miyun Reservoir ◽  
Water Quality Improvement ◽  
Value Of Water

Payment for Environmental Services (PES) in the watershed has been widely adopted as an important policy instrument to compensate upstream water users for providing water quality improvement for the whole river basin. In this paper, we use three independent valuation methods to determine the price of ecosystem service (ES), particularly water quality, in Miyun Reservoir, the main surface water source for Beijing. We find that the value of water quality is lowest using opportunity cost of limitation of development rights (OCLDR), highest with contingent valuation method (CVM), and water resources benefits assessment (WRBA) gives an in-between value. OCLDR determines the size of subsidies from those that benefit from water quality improvement from upstream. WRBA is a reference for compensation criteria to the upstream government and farmers when water resources are transferred across jurisdictional boundaries. CVM not only captures the direct value of water quality improvement, but also the indirect value of improvement in other ecosystem services as a result of improvement in water quality. Based on the results, we propose a multi-level ecological compensation system for the Miyun Reservoir river basin. We use OCLDR to determine subsides/ compensation to upstream farmers and other suppliers of the ES; WRBA set the price of water transfer; and CVM to figure out the size of payments for integrated water quality improvement.

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