Use of Remote Sensing to Assess the Water-Saving Effect of Winter Wheat Fallow

Winter wheat fallow policy has a greater effect on water resource management, and the water-saving effect in the fallow process of winter wheat can provide data support for precise water resource utilization planning. In order to evaluate the water resource consumption of winter wheat and the related effect from winter wheat fallow, this study searched the changing trends of cultivated land evapotranspiration under five different scenarios through the object-oriented extraction method and a SEBS model based on multi-source data. The results indicated that the evapotranspiration during winter wheat growing period was higher than that of winter wheat fallow land, and there was no big difference in evapotranspiration between the fallow land during harvesting and the emergence of new crops. The evapotranspiration of winter wheat was higher than that of various fallow land, and the evapotranspiration of abandoned land was higher than other fallow land in the winter wheat growing season. From this point, this study concludes that the fallow land policy can effectively reduce evapotranspiration during the growing of winter wheat, which is conducive to the sustainable exploiting of water resources.

Download Full-text

Water saving effect on integrated water resource management

Resources Conservation and Recycling ◽

10.1016/j.resconrec.2014.09.009 ◽

2014 ◽

Vol 93 ◽

pp. 50-58 ◽

Cited By ~ 21

Author(s):

Hongchao Gao ◽

Tong Wei ◽

Inchio Lou ◽

Zhifeng Yang ◽

Zhenyao Shen ◽

...

Keyword(s):

Resource Management ◽

Water Resource ◽

Water Resource Management ◽

Water Saving ◽

Integrated Water Resource Management ◽

Saving Effect

Download Full-text

An evaluation model of water-saving reconstruction projects based on resource value flows

Frontiers of Engineering Management ◽

10.1007/s42524-020-0144-y ◽

2020 ◽

Author(s):

Runwen Jiang ◽

Xiaohong Chen ◽

Lingchu Zhao ◽

Zhifang Zhou ◽

Tao Zhang

Keyword(s):

Water Resources ◽

Water Resource ◽

Water Resource Management ◽

Investment Decision ◽

Economic Value ◽

Water Saving ◽

Environmental Benefits ◽

Analysis Model ◽

Value Analysis ◽

Resource Flows

AbstractDue to uncertainties in water supply, there is growing demand for water resource management in enterprises. In this study, we evaluated the effects of companies’ water-saving reconstruction projects. We used Hina Advanced Materials Company as a case to construct an investment decision model to (1) calculate the internal and external costs of water resources based on circular economic value analysis theory, and (2) locate the level of water resources circulation. We adopted gray situation decision analysis to identify the typical problems that occur in water resource utilization. Moreover, we demonstrated optimization plans for different potential improvements, thereby providing guidance and references for water resource cost management and the comprehensive optimization of environmental benefits. We concluded that the circulation economic value analysis model can effectively display the flow and amount of value derived from water resource flows, thereby providing guidance and suggestions for optimizing water resource flows.

Download Full-text

Quantification of the adverse effects of drought caused by water supply restrictions considering the changes in household water consumption characteristics

Water Science & Technology Water Supply ◽

10.2166/ws.2014.030 ◽

2014 ◽

Vol 14 (5) ◽

pp. 743-750 ◽

Cited By ~ 2

Author(s):

Morimasa Tsuda ◽

Shuzo Nishida ◽

Masayasu Irie

Keyword(s):

Resource Management ◽

Adverse Effects ◽

Water Supply ◽

Water Resource ◽

Water Consumption ◽

Water Resource Management ◽

Water Saving ◽

Household Water ◽

Management Plans ◽

Effects Of Drought

The volume of urban water used in Japan has been gradually declining in recent years because of the increase in water saving appliances and water saving behaviours. Changes in household water consumption characteristics affect the extent of the adverse effects caused when water supply restrictions are imposed. These changes must be reflected in reservoir operation plans in times of drought and when developing long-term water resource management plans or water conservation policies. The objective of this study is to quantify the adverse effects of drought associated with changes in consumption characteristics and utilize this in water resource management plans. We use a water consumption model that accounts for changes in household water consumption characteristics, and we apply this model to several droughts in different periods and cities in Japan. Results indicate that reductions in water consumption because of water supply restrictions tend to decrease over time. We concluded that imposing water supply restrictions during droughts has become less effective for maintaining reservoir storage. In designing water resource management plans, it is important to simultaneously evaluate changes in probability of supply-shortage events and the impact of water supply restrictions.

Download Full-text

Assessing the Impact of Optimization Measures on Sustainable Water Resource Management in the Guanzhong Area, China

Frontiers in Environmental Science ◽

10.3389/fenvs.2021.805513 ◽

2021 ◽

Vol 9 ◽

Author(s):

Bin Tang ◽

Ruichen Mao ◽

Jinxi Song ◽

Haotian Sun ◽

Feihe Kong ◽

...

Keyword(s):

Resource Management ◽

Water Resources ◽

Water Resource ◽

Water Policy ◽

Water Resource Management ◽

Stakeholder Participation ◽

Water Saving ◽

Decision Makers ◽

The Future ◽

The Impact

Limited water resources and rapid socioeconomic development pose new challenges to watershed water resource management. By integrating the perspectives of stakeholders and decision-makers, this study aims to identify cases and approaches to achieve sustainable water resources management. It improves and expands the experience of previous project research. The comparative evaluation provides an analytical basis to verify the importance of stakeholder participation in water policy interactions. The results show that if an effective demand management policy is not implemented, the Guanzhong area will not meet water demand in the future. Through the combination of water-saving policies, water transfer projects and other measures, the available water resources will continue into the future. Optimizing management measures, improving the ecological environment, and encouraging stakeholder participation will help change this situation, although supply-side limitations and future uncertainties likely cause unsustainable water. Therefore, decision-makers should pay attention to the application potential of water-saving and other measures to reduce dependence on external water sources. In addition, the three sustainable development decision-making principles identified in this paper can promote the fairness and stability of water policy.

Download Full-text