Measurement and Definition of the term water yield
The water yield of a watershed may either be measured directly on a single outlet on the main stream or be calculated through empirical equations based on important physical properties of a particular watershed.
Using the directly measured runoff values is, of course, the best way, but since it takes a long time and investments are delayed, the empirical method is preferred in applications.
Therefore, precise prediction of the water yield from a watershed is curical for investigating the design capacity of water collecting structures and other hydraulic structures on the down streams.
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As in many other countries, the Turc Method is used widely in Turkey to determine the water yield and thus the reservoir volume by Turkish General Directorate of Rural Services which is responsible for the investments on agricultural and rural infrastructures.
However, the method over predicts the water yield in comparison to the directly measured volumes for a region of Turkey in consideration.
Definition of the term water yield
The water yield of a watershed may either be measured directly on a single outlet on the main stream or be calculated through empirical equations based on important physical properties of a particular watershed.
Using the directly measured runoff values is, of course, the best way, but since it takes a long time and investments are delayed, the empirical method is preferred in applications.
Therefore, precise prediction of the water yield from a watershed is curical for investigating the design capacity of water collecting structures and other hydraulic structures on the down streams.
As in many other countries, the Turc Method is used widely in Turkey to determine the water yield and thus the reservoir volume by Turkish General Directorate of Rural Services which is responsible for the investments on agricultural and rural infrastructures.
However, the method over predicts the water yield in comparison to the directly measured volumes for a region of Turkey in consideration. Therefore the method cannot be applied in Turkey‘s conditions without any major modifications.
This necessitates that this issue should be carefully evaluated in economical and technical aspects. In the previous study the modification of the method for Thrace Region was done.
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In this research, the Turc method is aimed to be modified to determine the water yield of sub-basins located at different part of Turkey using long time directly measured runoff values.
Knowing the structure of water yields no clues as to why water goes down a drain in a vortex. Similarly, in mycorrhizae, the genes are expressed and the metabolic machinery produces parts of the system, but they provide no information on how structure in mycorrhizal systems is generated. Mapping is a way of generalizing dynamics and establishing conceptual illustrations and models using simple input/output diagrams.
In conclusion, as in many other countries, the Turc Method is used widely in Turkey to determine the water yield and thus the reservoir volume by Turkish General Directorate of Rural Services which is responsible for the investments on agricultural and rural infrastructures. However, the method over predicts the water yield in comparison to the directly measured volumes for a region of Turkey in consideration.
The Turc method is aimed to be modified to determine the water yield of sub-basins located at different part of Turkey using long time directly measured runoff values.
Knowing the structure of water yields no clues as to why water goes down a drain in a vortex. Similarly, in mycorrhizae, the genes are expressed and the metabolic machinery produces parts of the system, but they provide no information on how structure in mycorrhizal systems is generated. Mapping is a way of generalizing dynamics and establishing conceptual illustrations and models using simple input/output diagrams.
