Water Resources Assessment Lianshan

Abstract Lianshan described the importance of water resources assessment and water resources assessment and the specific content of the social benefits of water resources assessment, water resources assessment that provide information Lianshan.

Keywords: water resources assessment; significance; content; method; benefit; Liaoning Hill

Water is the source of life, social and Economic Development of the fundamental guarantee. Lianshan a serious lack of water resources, declining water tables, water pollution is worsening, increasing year by year Development of constructive projects, water supply and demand increasingly prominent, evaluation of water resources is imperative. The promotion of modern water management, promoting Economic and social, and environmental Development will play a significant role.

1, the importance of water resources assessment
1.1 The Development of society
In building a harmonious society, sustainable use of resources supporting sustainable Economic and social Development today, the regional long-term planning, agricultural and industrial layout, the living and production needs, water resources carrying capacity and the need for regional water resources from the quantity and quality provide protection.

1.2 The nature and changing demands of social conditions
Water Resources Assessment Lianshan 1st started in 1980, using 1956-1979 annual data. Nearly 20 years, with the industrial and agricultural development, population increase, changes in Economic structure, the water situation is also Lianshan great changes have taken place. In order to meet the region's water resources utilization and protection of the strategic planning and daily management of the evaluation results on the status of the needs assessment should be carried out the work of new water resources.

1.3 Status of water resources demands
Lianshan 2003, 6.35 million total water resources of 5 m3, per capita less than 100 m3, is the country's 1 / 24, Liaoning Province, 1 / 9, according to the United Nations under the provisions of 300 m3 per capita is extremely dry areas. So, good job water resources assessment, for the optimization of water programs, water efficiency, pollution prevention and control, rational development and utilization of limited water resources, to play the maximum benefit of limited water resources to ensure the sustainable development of regional economy is of great practical significance [1].

1.4 The actual work
Production management practices need to build on the basis of scientific evaluation of data, to guide, manage, balance water. Analysis of human activities on the land surface and the impact of ecological conditions, identify areas of water resources and exploitable volume, to identify the region's supply, use, water consumption cases, knowledge of the region's water resources development, mining industry, the water situation and a typical indicator of Economic operations in accordance with long-term development planning projections required amount of water, water conservancy project in order to take appropriate measures to Government departments provide a reliable scientific basis.

2, the specific content of water resources assessment
2.1 Preliminary work
2.1.1 Investigation Division unit. Surface water investigations unit to be designated small towns, water resources in Liaoning Province, by the 2nd evaluation of water resources based on the four areas (ie: Small Ling, Small Ling - six shares Creek ) down into six sub-areas (ie: her daughter River, with mountains and rivers, Wuli, Lotus River, Guzhu yingzi River and other rivers), 18 administrative towns and one city. the sub-basin area and the Chief rural and urban intersection, a total of 21 water district formation.

Lianshan groundwater investigation into the plains and hilly two major types of evaluation area. Calculation of plain area of the region 326.8 km2, of which Tashan - groundwater salinity Takahashi M> 2 g / L (brackish water and salt water area) of the transgression is not a separate area set aside about 25 km2; the basis of geographical distribution, the plain area and the administrative districts of the town nested, plain is divided into 14 years of computing units. less plain area, costing the region an area of hills to 1 324.6 km2, the hilly town and administrative district nested, hilly calculation is divided into 19 units. A total scheme is divided into 33 district summary of groundwater district.

2.1.2 Survey and collect data. The main survey included 1980-2000 development and utilization of water resources, including industry, agriculture, life, ecological water consumption; economic development information; hydrogeological data; natural geography; hydrology, meteorological data; Regional 1:50 000,1:100 000 maps; all the towns and rivers, demarcation of the region; regional groundwater test data and laboratory data of groundwater quality; in recent years, development and utilization of water resources and economic indicators and Lianshan long-term development planning.

2.1.3 Statistical analysis. To irrigation water, industrial water, domestic water, has cited scheduling project water, groundwater exploitation, the amount of spring water and sea water intrusion and other survey data were analyzed according to each unit to check the consistency of historical data, relevant information whether convergence; using fixed, coefficient, representative selection of sites, calculation methods, data, etc. are reasonable.

2.2 Evaluation of water quantity
Of precipitation, surface water resources, groundwater resources, water resources, mainly from the series representation, the number of regional distribution of water resources, years of change, annual distribution, at different times and different frequencies, contour map, statistics parameters can be used to the amount of recoverable amount and the per mu per capita share of other aspects of integrated control and comparison, analysis and evaluation. on evaporation, but also a simple analysis of sediment.

2.2.1 Precipitation. As the region more rainfall site, the selection of a station or several stations of the weighted value of the units on behalf of interpolation points, obtained by nested watershed districts and 21 administrative units of township 45 years of precipitation volume series, with the method of mathematical statistics basin district and township administrative nested segments of different years (50,60,70,80,90 years) and different frequencies (20%, 50%, 75%, 90%) of annual precipitation . focuses on the years from a series of cyclical changes, the average age of the process of change and progressive line of the mean obtained with a good representation of the selected range; from the statistical parameters, the annual precipitation contour map analysis to determine reasonableness; from precipitation geographical distribution, over the years change, annual distribution, the largest percentage of 4 months precipitation occurs in January and a comprehensive comparative analysis of its regularity; comparative analysis of precipitation in different years from their abundance, flat, dry periods. Meanwhile, on the use of mathematical statistics area for many years and the average monthly distribution of evaporation is calculated.

2.2.2 surface water resources. With mathematical statistics method and the nested watershed district administrative different towns in paragraph (50,60,70,80,90 years) and different frequencies (20%, 50%, 75%, 90% ) of the surface water resources (ie: annual runoff) and the amount of depth. runoff modulus down through the process of progressive line of analysis can mean the representation of data [2]; by runoff contour maps illustrate the geographical distribution of surface water resources ; runoff through the comparative analysis of different years of their abundance, flat, dry periods, while the results with the 1956-1979 series of control inspection and analysis of attenuation and runoff factors; control station by the main river runoff distribution by runoff during the year; with stations in runoff Analysis of changes in runoff during the years; from the river ecological water demand and difficult to control use of rainy season to start to estimate the amount of surface water availability; in accordance with the controller, obtained by a representative station analogy, entry of water; through basin district runoff in different years period compared with the amount of precipitation runoff and precipitation changes and consistency.

2.2.3 Groundwater Resources. Groundwater resources supply method using plain, hilly with excretion method. Calculation of Groundwater Resources in the analysis, selection, calculated on the basis of various factors. The main analysis and calculation of precipitation infiltration recharge, river leakage recharge, canal seepage recharge, drainage, irrigation field Recharge, Piedmont recharge and irrigation return lateral recharge and regional distribution. Analysis of the amount of plain water and resources modulus region distribution. Plain precipitation infiltration coefficient of the formula Y = ax2 + bx + c, where: Y is precipitation infiltration coefficient, x is the rainfall, a, b, c are constants. hilly and mountainous areas is mainly based on the actual analysis and calculation River base flow, flow volume and lateral piedmont evaporation. Analysis of Water Resources in Mountainous and modulus of the regional distribution of resources.

In the above Lianshan on the basis of the work of groundwater resources, groundwater resources in hilly and plain areas between the amount of double counting the amount of groundwater resources and the modulus of the regional distribution of resources, mining factor may be calculated using the plain area available groundwater the amount calculated using the effective exploitation of groundwater can be hilly exploitation, and ultimately get the amount of available groundwater region [3].

2.2.4 The total water resources. The formula is W = R + pr-Rg where: W is total water resources, R is the amount of surface water resources, Pr is the amount of precipitation recharge, Rg for the precipitation recharge the formation of the river the amount of excretion. Calculation of total and regional distribution of water resources; years of total water resources from changes in the region to analyze the abundance, flat, dry periods; calculate the total available water resources in the region; by the total water resources the amount of deep water resources per capita, share of total water resources of mu and control the United Nations established the standard of total water resources per capita, the degree of water scarcity are Lianshan [4].

Links to Research Papers Download http://www.hi138.com 2.3 Water Quality Assessment
Evaluation of functional areas including water, water quality and the status of the river, water quality category, the main items and excessive excessive multiple types of the rivers under the control of water quality in river length, the main pollutants, water quality monitoring stations each year, a preliminary assessment of its pollution.

2.3.1 Status of surface water quality. According to GB <<Surface Water Quality Standard>> in addition to the radioactive indicators commonly used 21 parameters, using a single index evaluation method to determine the type of surface water quality, mainly excessive multiple projects, and excessive, the river under the control of various types of long river water quality, evaluate the representative value using the annual average during the flood season and non-flood season three values. evaluation results to the standard value of surface water �� class is excessive as the water exceeded the limits of statistical projects.

2.3.2 Status of groundwater quality. According to GB <<groundwater quality standards>> in addition to radiotherapy is usually used indicators influenced by human activity of 24 parameters, the water quality classification of Category 5, the same values of different categories of standards, favorably not from inferior to the value of �� water standard to determine the upper limit for the groundwater control standards, the worst single index for the integrated water quality categories. on the hilly and plain areas were evaluated, and selection of nitrite, nitrate, chloride, ammonia nitrogen, permanganate index as indicators of a total of five parameters of analysis and evaluation of groundwater pollution, water quality has reached the priority-setting ��, �� class ground water areas.

2.3.3 Basic Situation drinking water wells. For the evaluation of drinking water wells in the groundwater assessment based on 24 indicators total coliforms and total bacteria by adding a total of 26 were evaluated.

2.3.4 Water quality status of water sources. Surface water sources to water quality assessment using national standards <<Surface Water Quality Standards> "and" "Life drinking water health standards>>; groundwater sources were used to assess water quality in GB <<groundwater quality standards > "and" "Life drinking water health standards>>.

Index evaluation method using a single three water source area to evaluate the toxic organic compounds. River water quality assessment of water quality in the selection of projects and an indicator of toxic organic compounds exceeded that in the assessment to be ineligible, and the main statistical source water quality exceeded the project .

2.3.5 Sewage situation. Based on GB <<wastewater discharge standards>> and monitoring projects are: water temperature, pH, color, COD, BOD, ammonia nitrogen, volatile phenol, cyanide, arsenic, mercury , hexavalent chromium, suspended solids of 12 evaluation parameters.

2.3.6 water function zoning and water quality evaluation. Under conditions of water resources, water resources development and utilization and socio-economic development of the water quantity and quality needs, the region of the River main stream and tributaries, medium and small reservoirs are divided into nine functional section. evaluation basis <<Surface Water Quality Standard>>, the use of single-type index evaluation method, evaluation of parameter selection with the river water quality assessment, the results of the functional areas as water quality objectives are the limits of standard analysis.

2.4 Degree of Water Resources Development
Statistical overview of water supply infrastructure, analysis of water supply situation. The 1991-2000 status of water resources development and utilization for the development and utilization to an average of 10 years 1991-2000 and 1980-2000 the average annual resource of 21 years, the average amount of resources . from the water supply, water consumption, water consumption analysis, different models of industry water rates, water consumption trend analysis, surface water resources development and utilization, development and utilization of groundwater level, water consumption level of statistical analysis of the total use of water resources development degree .

2.5 Evaluation Conclusion
Based on the above work, get water shortages Lianshan, water conditions, water resources development and utilization, supply and demand and per capita share of water resources and in accordance with regional and long-term development planning, for analysis and forecasting.

3, the social benefits of water resources assessment
3.1 The effectiveness of macro-management
By water resources assessment, to identify the territory Lianshan surface water, groundwater resources, water resources, available quantity and temporal and spatial characteristics, and forecasts of supply and demand balance for analysis and evaluation. On strengthening water resources management, water resources reasonable allocation, the implementation of water conservation, strengthen water pollution control, protection of water resources management and provide the scientific basis for the various types of water planning and rational distribution of national economic construction to provide a scientific basis. rationalize water resources management system for the future, and strengthen access to water resources keep a close watch, with quality to provide evidence. for water resources management in the legal administration of water, according to law, based on truly scientific development, rational use, comprehensive management, optimal allocation, promote conservation, protection and provide technical support.

3.2 Environmental Benefits
Water resources assessment to identify the local environment through geological problems and the water quality status, develop appropriate plans and take effective measures in a planned, systematic improvement and governance transgression zone, funnel area, supervision and management of industrial wastewater, discharge play a significant role in promoting compliance.

Comprehensive social benefits 3.3
Can have a plan to adjust agricultural planting structure and industrial structure, vigorously develop water-saving irrigation, industrial water recycling rate increase [5]. Through the scientific forecasting of water and water-saving and planning, adjusting the structure of water, enhance water resources management rational development and utilization of water to form a scientific system, so that the region's water resources can be more effectively protected.

4 References
[1] Li Hui. Suizhong Water resources evaluation conclusions and recommendations [J]. Jilin Water Resources, 2010 (5) :77-80.

[2] JY. Kaifeng City, water resources evaluation and analysis [J]. Henan Water Resources and the South, 2010 (4) :41-42.

[3] Ma Weiliang, Zhang, Xing Xiu River. Water Resources Assessment Review Right Front Banner [J]. Modern agriculture, 2010 (2): 73.

[4] Qi Baolin. Ust-Pacific Economic and Technological Development Zone of surface water resources assessment [J]. Inner Mongolia Science and Technology and Economy, 2010 (4) :63-64.

[5] CHANG. Hakusan city center evaluation of groundwater resources [J]. Water Resources Development and Management, 2010 (2) :74-76.

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