Agricultural Water Conservation Cost Control Mechanism of the Pre-Coastal City Based on Design Innovation

2014 ◽  
Vol 644-650 ◽  
pp. 5962-5965
Author(s):  
Peng Peng Zhao ◽  
Fan Rui Meng
Keyword(s):  
Water Conservation ◽  
Life Cycle Cost ◽  
Innovation Process ◽  
Water Shortage ◽  
Water Saving ◽  
Design Stage ◽  
Agricultural Water ◽  
Coastal City ◽  
Investment And Financing ◽  
Design Innovation

Water-saving irrigation is the livelihood of the people to solve the problem of coastal city agriculture water shortage of water conservancy projects. To investigate the situation of the construction of agricultural water-saving facilities in Tianjin, first ,this paper analyzes the using costs, including running maintenance costs. According to the life-cycle cost theory, it is an important means to control using costs in the infrastructure construction engineering design stage. Then the paper will analyze the complexity of the demand of urban water-saving irrigation and propose that designing innovation is the key to control the complex using costs. Finally , the paper will analyze The effect of investment and financing model of design innovation process. On the one hand, the mode of investment and financing will help to solve the construction funding gap; On the other hand, it will affect water-saving cost pre-control in different degrees.

scholarly journals Evaluation of Water-Storage and Water-Saving Potential for Paddy Fields in Gaoyou, China

Water ◽  
2018 ◽  
Vol 10 (9) ◽  
pp. 1176 ◽  
Author(s):  
Chuanjuan Wang ◽  
Shaoli Wang ◽  
Haorui Chen ◽  
Jiandong Wang ◽  
Yuan Tao ◽  
...  
Keyword(s):  
Southern China ◽  
Financial Burden ◽  
Water Shortage ◽  
Water Saving ◽  
Paddy Fields ◽  
Balance Model ◽  
Agricultural Water ◽  
Average Water ◽  
Agricultural Water Resources ◽  
Water Fee

In China, the stress on agricultural water resources is becoming increasingly severe. In response, a range of water-saving irrigation (WSI) policies and practices have been promoted to improve irrigation efficiency. In this study, a water-balance model in paddy fields was calibrated and validated using a 2-year field experimental dataset collected from an irrigated area in Gaoyou, China, in 2014–2015. The model was used to assess the effects of WSI practices and provides options for implementing water-price reforms. Results show that paddy fields effectively retain rainfall with utilization rates greater than 70% for both shallow wet irrigation (SWI) and shallow humidity-regulated irrigation (SHRI) scenarios. The estimated average water-saving rates from 1960 to 2015 using SWI and SHRI are 33.7% and 43%, respectively, which represent considerable reductions in water consumption. The benefits of WSI practices combined with water management policies are also evident. For example, conversion of irrigation water to industrial water yields a 3-year average water fee of 205.2 yuan/ha using SWI and 20.6 yuan/ha using SHRI, considerably reducing farmers’ financial burden for agricultural water supplies. In conclusion, we recommend the adoption of SWI and SHRI practices in southern China as a means of partially alleviating China’s water-shortage problem.

Impact of residential water saving devices on urban water security: A case of Beijing, China

2021 ◽  
Author(s):  
Linrui Shi ◽  
Lizhen Wang ◽  
Haihong Li ◽  
Yong Zhao ◽  
Jianhua Wang ◽  
...  
Keyword(s):  
Water Conservation ◽  
Water Demand ◽  
Water Security ◽  
Water Shortage ◽  
Water Saving ◽  
Urban Water ◽  
Growing Economy ◽  
Beijing China ◽  
Residential Water

Beijing is a city with severe water shortage, and the rapidly growing economy and population has led to an increasing water demand for households. Thus, water conservation has become the...

The Research Progress of Water-Saving Irrigation in China since 2000

2014 ◽  
Vol 955-959 ◽  
pp. 3206-3210 ◽  
Author(s):  
Ying Liu ◽  
Xiao Yu ◽  
Yan He ◽  
Xun Jian Long
Keyword(s):  
Water Resources ◽  
Water Conservation ◽  
Water Saving ◽  
Research Progress ◽  
Agricultural Water ◽  
Practical Application ◽  
Chinese Investment ◽  
Advantages And Disadvantages ◽  
Irrigation Methods ◽  
Irrigation Technology

It is known that, in our country, the current situation of water for farmland irrigation is low utilization, lack of management and a large number of serious water wastes. Therefore, the development of agricultural water-saving irrigation technology has become a top priority. According to the statistics survey of National Water Resources Development Ministry which published by Water Resources Bulletin, from 2000 to 2012, this paper analyzes the Chinese investment trend on water-saving irrigation, as well as the changeable situation of effective irrigation area. The results show that, during statistical periods, our country has paid attention to irrigation work and increased emphasis policy on agriculture. On this occasion, the irrigation investment increased 6 times and the promotion area increased by 14%. We can even draw a conclusion that China has promoted the development of agricultural water conservation work effectively. Moreover, in view of the existing multiple saving irrigation methods, this manuscript also analyzes the advantages and disadvantages in practical application, respectively. Putting forward the simulative suggestions to promote the water-saving irrigation technology and equipment provides a theoretical basis for future water-saving irrigation.

scholarly journals Agricultural Water Use Efficiency and Rebound Effect: A Study for China

2021 ◽  
Vol 18 (13) ◽  
pp. 7151
Author(s):  
Hang Xu ◽  
Rui Yang ◽  
Jianfeng Song
Keyword(s):  
Water Use Efficiency ◽  
Water Use ◽  
Causal Effect ◽  
Rebound Effect ◽  
Water Shortage ◽  
Water Saving ◽  
Water Withdrawal ◽  
Agricultural Water ◽  
Agricultural Water Use ◽  
Use Efficiency

Agricultural water use accounts for the largest proportion of water withdrawal, so improving agricultural water use efficiency is an important way to alleviate water shortage. However, the expected water saving by the improved agricultural water use efficiency may be offset by the rebound effect, which means the goal of water saving by improving agricultural water use efficiency is not achieved. Based on the definition of the rebound effect of agricultural water use, this paper first uses a fixed model to measure the causal effect of agricultural water use efficiency on agricultural water use to analyze the agricultural water rebound effect, then analyses the heterogeneity and mechanism of the effect of agricultural water use efficiency on agricultural water use with the panel data from 30 provinces or cities in China from 2000 to 2017. The results show that, firstly, the agricultural water use efficiency has a significant negative effect on agricultural water use, but the average agricultural water rebound effect is 88.81%. Secondly, the effect of agricultural water use efficiency on agricultural water use is heterogeneous, in which the improvement of agricultural water use efficiency in humid or major grain-producing areas will have a lower agricultural water rebound effect. Finally, agricultural water use efficiency can affect agricultural water use through planting area and planting structure. An increase in agricultural water use efficiency will expand the planting area to increase water use. However, this will change the planting structure to decrease water use. The implication for agricultural water management is that the irrigation agricultural scale has to be controlled under the condition of available water resource, while improving agricultural water use efficiency.

scholarly journals Mulching as water-saving technique in dryland agriculture: review article

2019 ◽  
Vol 43 (1) ◽  
Author(s):  
Mohammad Abdul Kader ◽  
Ashutus Singha ◽  
Mili Amena Begum ◽  
Arif Jewel ◽  
Ferdous Hossain Khan ◽  
...  
Keyword(s):  
Arid Regions ◽  
Review Article ◽  
Water Saving ◽  
Future Research ◽  
Agricultural Water ◽  
Plastic Mulch ◽  
Dryland Agriculture ◽  
Crop Cultivation ◽  
Agricultural Water Resources ◽  
Semi Arid

Abstract Agricultural water resources have been limited over the years due to global warming and irregular rainfall in the arid and semi-arid regions. To mitigate the water stress in agriculture, mulching has a crucial impact as a water-saving technique in rain-fed crop cultivation. It is important mainly for preserving soil moisture, relegating soil temperature, and limiting soil evaporation, which affects the crop yield. Mulching has many strategic effects on soil ecosystem, crop growth, and climate. Mulch insulates the soil, helping to provide a buffer from cold and hot temperatures that have a crucial activity in creating beautiful and protected landscapes. This study has accumulated a series of information about both organic and plastic mulch materials and its applicability on crop cultivation. Moreover, future research potentials of mulching with modeling were discussed to quantify water loss in agriculture.

scholarly journals Promoting Water Conservation Based on the Matching Effect of Regulatory Focus and Emotion

2021 ◽  
Vol 18 (4) ◽  
pp. 1680
Author(s):  
Xiaomei Wang ◽  
Lin Zhang ◽  
Xiaoyu Jiang ◽  
Jia Wang
Keyword(s):  
Regulatory Focus ◽  
Water Conservation ◽  
Information Dissemination ◽  
Interactive Effect ◽  
Water Saving ◽  
Prevention Focus ◽  
Matching Effect ◽  
Promotion Focus ◽  
Cognitive Motivation ◽  
Willingness To Engage

This study aimed to examine the effects of regulatory focus and emotions on water-saving information dissemination. The findings revealed that when water-saving information is framed with a prevention focus, sad emotion fosters more active willingness to engage with the information dissemination than cheerful emotion. However, a promotion focus coupled with cheerfulness is slightly more persuasive than a promotion focus coupled with sadness. Furthermore, compared to the individuals in the nonfit group of emotions who had a regulatory focus, the individuals in the fit group formed a more favorable water-saving attitude and demonstrated a slightly higher willingness to disseminate water-saving information. This article is the first to contribute to exploring the dissemination of water-saving information from the perspective of the interactive effect of individual cognitive motivation and emotion.

scholarly journals Holistically valuing public investments in agricultural water conservation

2021 ◽  
Vol 252 ◽  
pp. 106900
Author(s):  
Aaron M. Shew ◽  
Lawton L. Nalley ◽  
Alvaro Durand-Morat ◽  
Kylie Meredith ◽  
Ranjan Parajuli ◽  
...  
Keyword(s):  
Water Conservation ◽  
Agricultural Water ◽  
Public Investments
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