Afarand Journals

Geographical Research

eISSN : 2538-4384
pISSN : 1019-7052
Persian
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Research code: ART-1599

History

Received: 2024/03/13 | Accepted: 2024/06/28 | Published: 2024/07/15
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Preparation and Integration of Maps and Digital Data Related to Water Capacities in Hamadan Province
Authors Houshang Behrawan * 1, Forood Sharifi
1- , h.behrawan@areeo.ac.ir
Abstract   (159 Views)
ABSTRACT
Aims & Backgrounds: Knowledge of water capacities is one of the main components of decision-making for optimal use of resources, watersheds and prevention of damage from natural events such as flood and drought and simultaneous management of water supply and demand. In this study, extraction of physical parameters, conversion of rainfall point data into regional data, analysis of evaporation and transpiration data, and aggregation of data in a database in order to develop a spatial database, integration of water capacity maps in Hamadan province were investigated.
Methodology: From the point of view of the method, the research is in the category of quantitative research and analysis of different spatial and temporal data. Therefore, the preparation and integration of the water capacity map and data in the grade seven watersheds located in Hamadan province, which is located in the humid and semi-humid climate zone, was done using geological, physiographic, rainfall, evaporation and discharge information. Results: The maximum specific runoff in watershed No. 2235 is equal to 44.2 liters per second per square kilometer in May, and the lowest runoff in watershed No. 1327 is equal to 0.0 liters per second per square kilometer in August. The base flow index varies from 45.9 to 59.59, the maximum of which is related to watershed number 1327 and the minimum is related to watershed number 4122. The maximum snow line in April corresponds to watershed number 4122 at an altitude of 3954.7 meters and the minimum in February is 1363.2 meters in watershed number 1327. Conclusion: Based on geological studies, the results of the obtained data indicate medium to good permeability. The runoff threshold of the study area is located in humid and semi-humid climate. The maximum snow line is in April and the minimum is in February.

 
Keywords:
Water capacities, Humid and semi-humid areas, Hamadan province, Surface flows