Analysis on Carrying Capacity of Groundwater Resources in Semi-Arid Areas of Western Parts in Heilongjiang Province Based on Matter-Element Model

2008 ◽  
Author(s):  
Lei Liu ◽  
Jianzhong Xu ◽  
Qiang Fu
Keyword(s):  
Carrying Capacity ◽  
Groundwater Resources ◽  
Element Model ◽  
Arid Areas ◽  
Heilongjiang Province ◽  
Matter Element Model ◽  
Semi Arid

Application of Fuzzy Matter-Element Model Based on Cooperative Game Weight in Evaluation of Groundwater Carrying Capacity

2012 ◽  
Vol 518-523 ◽  
pp. 4135-4138 ◽  
Author(s):  
Yan Kang ◽  
Huan Jie Cai ◽  
Song Bai Song
Keyword(s):  
Cooperative Game ◽  
Carrying Capacity ◽  
Cooperative Game Theory ◽  
Comprehensive Evaluation ◽  
Groundwater Resources ◽  
Simple Algorithm ◽  
Element Model ◽  
Shaanxi Province ◽  
Matter Element Model ◽  
Element Theory

A fuzzy matter-element evaluation modeling based on cooperative game weight (FME-CGW) is presented in this paper. Based on cooperative game theory, authors introduce a cooperative game weight which embodying an idea of competition and coordination among different weight methods. Based on the cooperative game weight, employing fuzzy matter-element theory and Hamming approach degree, the authors develop FME-CGW model. The derived model is applied to assess the groundwater resources carrying capacity in Guanzhong plain in Shaanxi province. The results are reasonable and satisfactory by comparing to other methods. The study of this practical example shows that the modeling presented in this paper is a new method with simple algorithm and strong practicability, which can be adopted to analysis various comprehensive evaluation issues.

scholarly journals Physical–chemical evaluation of groundwater quality in semi-arid areas: case study—Sabzevar plain, Iran

2021 ◽  
Vol 7 (6) ◽  
Author(s):  
Ghasem Panahi ◽  
Mahya Hassanzadeh Eskafi ◽  
Hamidreza Rahimi ◽  
Alireza Faridhosseini ◽  
Xiaonan Tang
Keyword(s):  
Water Resources ◽  
Groundwater Quality ◽  
High Salinity ◽  
Groundwater Resources ◽  
Arid Areas ◽  
Agricultural Use ◽  
Anions And Cations ◽  
Semi Arid

AbstractGroundwater is one of the most important water sources in arid and semi-arid areas. With the increasing world population and the water demand for agriculture and urban use, the need for water resources has increased, especially in arid and semi-arid regions, where groundwater resources play a significant role. To prevent the pollution of groundwater resources, various studies for their preservation and maintenance should be carried out, including a detailed plan for proper management of water resources and establishing a balance between water quality and how to use them. It becomes important to understand the spatial change of the quality of groundwater resources. In this study, Sabzevar plain, a typical region of semi-arid climate in Iran, was selected as a case study to assess the groundwater quality of the region, using data from 24 observation wells between 2015 and 2019. Using Arc GIS software, a map of groundwater quality parameters in the study area was prepared for quality assessment and comparison with existing international standards. The results showed that (except pH and HCO3−) the concentration of Sodium, Magnesium, and other anions and cations is higher than the corresponding WHO standard limit, suggesting that the study area is unsuitable for drinking and agricultural use. According to the Wilcox chart, 87.5% of the samples are in the C4S4 class while 8.33% are in the C4S3 class, showing the groundwater unsuitable for agricultural use due to its high salinity and alkalinity. Piper diagrams show that more than 50% of the samples are non-carbonate alkalis, indicating a very high salinity in the area. According to the pie chart, chlorine ion and sodium ion are the dominant anions and cations in the Sabzevar plain, respectively. The Schuler diagram shows that none of the samples examined were in a good class for drinking. Therefore, considering the importance of water for agricultural activities in the study area, it is recommended to have agricultural management solutions to prevent groundwater mixing with freshwater resources.

scholarly journals Effect of Sinkholes on Groundwater Resources in Arid and Semi-Arid Karst Area in Abarkooh, Iran

Environments ◽  
2020 ◽  
Vol 7 (4) ◽  
pp. 26
Author(s):  
Božo Soldo ◽  
Siamak Mahmoudi Sivand ◽  
Ardalan Afrasiabian ◽  
Bojan Đurin
Keyword(s):  
Groundwater Quality ◽  
Future Development ◽  
Anthropogenic Impacts ◽  
Meteorological Data ◽  
Groundwater Resources ◽  
Karst Area ◽  
Arid Zones ◽  
Arid Areas ◽  
Original Procedure ◽  
Semi Arid

Despite protection measurements and their natural position, groundwater resources are very vulnerable due to natural and anthropogenic impacts. This is especially emphasized in karst arid and semi-arid zones, due to increased requirements for water. Paper deals with the impacts of the sinkholes on groundwater quality on Abarkooh city in Iran. There are 28 sinkholes located in Abarkooh plain. The aims of the paper are to specify the characteristics and causes of sinkholes occurrence, as well as to specify the vulnerable areas and future development of sinkholes and their effect on the groundwater resources. Next step is defining of the original procedure for protection of groundwater resources in characteristic areas, as karst arid and semi-arid areas are. By taking into the account geological, hydrogeological and meteorological data, and finally through hydrogeochemical and geophysical analysis, final conclusions and recommendations for the protection of the groundwater resources are obtained. This has significant importance for water supply of the Abarkooh city in Iran. It should be noted that the mentioned methodology for the protection of groundwater resources could be applied in other arid and semi-arid areas.

THE CLASSIFICATION OF LAND ACCORDING TO THE DEGREE OF RABBIT INFESTATION IN CENTRAL OTAGO

1987 ◽  
pp. 65-70
Author(s):  
I.G.C. Kerr ◽  
J.M. Williams ◽  
W.D. Ross ◽  
J.M. Pollard
Keyword(s):  
Carrying Capacity ◽  
Mediterranean Climate ◽  
Natural Habitat ◽  
Public Funding ◽  
Soil Survey ◽  
European Rabbit ◽  
Cultural Modification ◽  
Classification Information ◽  
Semi Arid

The European rabbit (Oryctolagus cuniculus) introduced into New Zealand in the 183Os, has consistently flourished in Central Otago, the upper Waitaki, and inland Marlborough, all areas of mediterranean climate. It has proved difficult to manage in these habitats. The 'rabbit problem' is largely confined to 105,000 ha of low producing land mostly in semi arid areas of Central Otago. No field scale modifications of the natural habitat have been successful in limiting rabbit numbers. The costs of control exceed the revenue from the land and continued public funding for control operations appears necessary. A system for classifying land according to the degree of rabbit proneness is described. Soil survey and land classification information for Central Otago is related to the distribution and density of rabbits. This intormation can be used as a basis for defining rabbit carrying capacity and consequent land use constraints and management needs. It is concluded that the natural rabbit carrying capacity of land can be defined by reference to soil survey information and cultural modification to the natural vegetation. Classification of land according to rabbit proneness is proposed as a means of identifying the need for, and allocation of, public funding tor rabbit management. Keywords: Rabbit habitat, rabbit proneness, use of rabbit prone land.

Environmental control of germination and dormancy of seeds of two cytotypes of Lygeum spartum L., a perennial grass of semi-arid and arid areas in Algeria

2010 ◽  
Vol 36 (1) ◽  
pp. 89-98 ◽  
Author(s):  
Abderazak Djabeur ◽  
Meriem Kaid-Harche ◽  
Daniel Côme ◽  
Françoise Corbineau
Keyword(s):  
Environmental Control ◽  
Perennial Grass ◽  
Arid Areas ◽  
Semi Arid
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