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how do derive DEM from SRTM using Arc GIS

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#1
yogagis

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Hi all

i just want to derive DEM from SRTM using Arc GIS OR ERDAS. I need to draw topograhy of particular area. I want select small stretch of say 5Km coast in coastal area . i need to create DEM with the Mean sea level And assess how much will be inundated if 5cm rise of sealevel .

#2
Hans van der Maarel

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i just want to derive DEM from SRTM using Arc GIS OR ERDAS. I need to draw topograhy of particular area. I want select small stretch of say 5Km coast in coastal area . i need to create DEM with the Mean sea level And assess how much will be inundated if 5cm rise of sealevel .


5 cm? Are you sure about that? SRTM is nowhere near accurate enough for that. In fact, I wouldn't necessarily trust it for modeling a 5 m rise either.
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#3
amr mohammed

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i just want to derive DEM from SRTM using Arc GIS OR ERDAS. I need to draw topograhy of particular area. I want select small stretch of say 5Km coast in coastal area . i need to create DEM with the Mean sea level And assess how much will be inundated if 5cm rise of sealevel .


5 cm? Are you sure about that? SRTM is nowhere near accurate enough for that. In fact, I wouldn't necessarily trust it for modeling a 5 m rise either.


please how can i do dem with 5m rising mean sea level ?
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#4
yogagis

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i just want to derive DEM from SRTM using Arc GIS OR ERDAS. I need to draw topograhy of particular area. I want select small stretch of say 5Km coast in coastal area . i need to create DEM with the Mean sea level And assess how much will be inundated if 5cm rise of sealevel .


5 cm? Are you sure about that? SRTM is nowhere near accurate enough for that. In fact, I wouldn't necessarily trust it for modeling a 5 m rise either.


please how can i do dem with 5m rising mean sea level ?



#5
yogagis

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hi all,
if 5 mt rice from the MSL, how much inundated, hence how much area will be affected ,because of particular study...

Edited by yogagis, 27 March 2011 - 11:55 PM.





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