DETERMINATION OF HYDROLOGIC CHARACTERISTICS OF SİNOP DEMİRCİKÖY WATERSHED AND PRODUCTION OF MONTHLY SATURATION DEGREE MAPS

Year 2017, Volume: 155 Issue: 155, 203 - 212, 03.12.2017

Mustafa Can Canoğlu

https://doi.org/10.19111/bulletinofmre.336469

Abstract

The
aim of this study is to determine the hydrologic characteristics and to analyze
the temporal saturation degree variations of Demirciköy Watershed which is
located in Sinop City and subjected to rapidly increasing population. This
study is important in terms of preventing the natural disasters such as fl ood,
storm water, landslide and mitigation of damages within the frame of watershed
planning concept. This study consists of fi eld, offi ce and laboratory stages.
In context of fi eld studies, representative soil samples are taken from study
area. Within the scope of laboratory studies, soil hydrologic properties are
characterized with the determination of soil texture of the soil samples
handled from study area. The results of the laboratory tests are utilized as
part of offi ce studies with the use of the Soil Moisture Distribution and
Routing (SMDR) model in Geographic Information Systems (GIS) environment
considering the meteorological data such as precipitation, temperature and
evapotranspiration. Spatial and temporal variation of saturation degree in
Demirciköy Watershed is determined with SMDR model. The obtained monthly
saturation degree maps show the variation of soil moisture in a year and allow
determining the potential runoff generation zones. The results of the study
show that soil moisture in South part of watershed is lower than in North part.

Keywords

Sinop City, Demirciköy Watershed, GIS, SMDR model, saturation degree

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