IMPROVING DISCONNECTED DIGITAL STREAM NETWORKS BY DEVELOPING AN OBJECT ORIENTED MODEL IN GIS ENVIRONMENT

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TABATABAEI SEYED MAHMOUD REZA; MAJIDI A.R.; ROUGHANI MOHAMMAD

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Journal: IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING Year:2008 | Volume:2 | Issue:4 Page(s): 38-48

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Information Journal Paper

Title

IMPROVING DISCONNECTED DIGITAL STREAM NETWORKS BY DEVELOPING AN OBJECT ORIENTED MODEL IN GIS ENVIRONMENT

Author(s)

TABATABAEI SEYED MAHMOUD REZA | MAJIDI A.R. | ROUGHANI MOHAMMAD | Issue Writer Certificate

Keywords

ARCOBJECTSQ2

AVENUEQ3

DEQ3

DISCONNECTIONQ3

FLOW DIRECTION AND STREAMQ3

Abstract

In research or applied study projects related to watersheds, stream network data layers are one of the most important data used to calculate the parameters such as watershed physical parameters, runoff, sediment, erosion and etc. These digital spatial data layers prepared in different formats and scales often have DEficiencies in their topology structures such as the DISCONNECTION of stream networks and inaccurate coincidence of watershed flow direction pattern with digital direction of the streams. These DEficiencies create many problems in calculating watershed parameters whereas built-in facilities in current GIS softwares also have basic restrictions in resolving them. In the present research, in the GIS environment, a new model has been DEsigned and DEveloped to solve the GIS softwares problems in creating artificial stream networks (from point of view of the numbers and position of streams and also threshold DEfinition). In addition to this, the DEveloped model is capable of converting disconnected stream networks to connected ones. The number and position of new created streams are equal to their original hydrographic networks and water flow direction has been corrected based on watershed flow direction pattern. The extracted statistics results of the research show high accuracy of the model outputs.

Cites

References

THE METHOD TO DRAW STREAM NETWORKS AUTOMATICALLY IN WATERSHEDS (AMAMEH WATERSHED) BY USING GIS (GIS PROGRAMMING)

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APA: Copy

TABATABAEI, SEYED MAHMOUD REZA, MAJIDI, A.R., & ROUGHANI, MOHAMMAD. (2008). IMPROVING DISCONNECTED DIGITAL STREAM NETWORKS BY DEVELOPING AN OBJECT ORIENTED MODEL IN GIS ENVIRONMENT. IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING, 2(4), 38-48. SID. https://sid.ir/paper/134872/en

Vancouver: Copy

TABATABAEI SEYED MAHMOUD REZA, MAJIDI A.R., ROUGHANI MOHAMMAD. IMPROVING DISCONNECTED DIGITAL STREAM NETWORKS BY DEVELOPING AN OBJECT ORIENTED MODEL IN GIS ENVIRONMENT. IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING[Internet]. 2008;2(4):38-48. Available from: https://sid.ir/paper/134872/en

IEEE: Copy

SEYED MAHMOUD REZA TABATABAEI, A.R. MAJIDI, and MOHAMMAD ROUGHANI, “IMPROVING DISCONNECTED DIGITAL STREAM NETWORKS BY DEVELOPING AN OBJECT ORIENTED MODEL IN GIS ENVIRONMENT,” IRANIAN JOURNAL OF WATERSHED MANAGEMENT SCIENCE AND ENGINEERING, vol. 2, no. 4, pp. 38–48, 2008, [Online]. Available: https://sid.ir/paper/134872/en

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