Seminarski srtm vs aster

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: : . : 49/2011

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1. .............................................................................................................. 32. SRTM ................................................................................................. 53. ASTER ............................................................................................... 74. SRTM ASTER ................................................... 94.1. ............................................................... 94.2. ........................................................................ 104.3. ................................................................... 114.3.1. - .................................................................. 114.3.2. ...................................................................... 114.3.3. ........................................................ 134.4. ................................................................ 144.5. .................................................................................... 205. .......................................................................................... 22

1.

() . , . , . Shuttle radar topography mission (SRTM), NASA 2000. , () . (SRTM 90m Digital...). 1.1. SRTM 90m Digital

, ASTER GDEM , - NASA. 1999-2000 ASTER Terra NASA (ASTER Global Digital Elevation). 1.2. ASTER Global Digital Elevation , . , , , . 2011., 2004. . , , . SRTM ASTER .[1]

2. SRTM

NASA, Shuttle radar topography mission (SRTM) 2000. , , . 2014. . , , , . , . SRTM , 90, 2003. . , 30 , . SRTM , , NASA - . NASA .

2.1. - SRTM 90 30 SRTM NASA, , - . 30, 90. USGS Earth Explorer. Endeavour 2000., 56 60 . 11 , SRTM . , Jet Propulsion Laboratory (JPL) , , .

2. 2. - SRTM

, . , , , . , , , . SRTM . SERVIR , NASA , , . The Secure World Foundation NASA, USGS . JPL .[2]

3. ASTER

ASTER , . , , . The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) ( 15 90 ) 14 , . ASTER , .

3.1. , , .ASTER Terra . ASTER Terra , / . Terra, ASTER ; , 8 . , ASTER .ASTER , (). , , . 30. 83 83 . 1999. . 16 .[2]

3. 2. - ASTER

4. SRTM ASTER

4.1.

( 4.1.1.). - , . 1, ( ), 400 . , 0,9. (55%) (36%). 2 - - . 780 , 3.3. , . (52%) (34%). 4.1.1. 4.2.

() ( / ) 1:50.000, (). 50 ( 15). SRTM ASTER, . -. war office , WGS 84 UTM . 4.2.1. . 4.2.1. war office WGS 84

(1). (1) 4.2.2. (1) . , 90 -. 90 SRTM 90. 4.2.2. 4.3.

() 30. WGS 1984 . 2. , (SRTM, ASTER ). 30 ASTER 90 -. , 33 . 4.3.1. - .4.3.1. -

-. ( ) ( )

4.3.2.

, -.

-: . (), , . . , . . , . . : . 35 45 1 2. 4.3.1. 1 2.

4.3.1.

: -. -, . . 6000 / . . .

4.3.1. -4.3.3.

- . , . 1 : (1) 2 (2) 1 ( = 0.9), . , . : 500 , . - . : , , , . . . , . (), () (). -, - , , -. GIUH : . , . (): . -.

4.4.

4.4.1 , 4.4.1. . 1 2. RMSE 1. RMSE ( , 2006;.. 2005), 1 1 2. 1, 0,9. , 2.

4.4.1. 1 2 4.4.1. SRTM ASTER, . , RMSE SRTM ASTER. 16 SRTM, 20 ASTER. 4.4.1. ASTER . . , ASTER . 1 74% , 58% 2. , ASTER , ( 1) . ) 1 ) 2 4.4.1. ASTER

4.4.2. SRTM - . , . 1 78% , 60% 2. SRTM . ASTER SRTM . ) 1 ) 2 4.4.2. SRTM

, 3 ArcGIS, . 4.1.1. , 4.4.3.( ) - . ASTER SRTM . 4.4.3. ASTER - SRTM . 4.4.3. SRTM ASTER. SRTM ASTER. SRTM ASTER.) 1) 2 4.4.3. 4.4.4.(-) . , . 1 -, . (. 6000 ). 2 SRTM ASTER-.) 1) 2) 1) 2 4.4.4.

, - 4.4.2. , ASTER 1%, SRTM 0.7%. 4.4.2.

4.4.5. 500 , - . , ASTER- SRTM- ..

4.4.5. -. 4.4.3, 4.4.6. 1 5. - , -. .

4.4.6. 4.4.3. 4.5.

, - - SRTM ASTER - . 1:50.000 . , , , , GIUH . , , SRTM ASTER 16 20. SRTM ( RMSE) ASTER . RMSE 4,9 5,5 ( 1) 14,5 18,8 ( 2) SRTM ASTER . (. 1). ASTER (. . SRTM, , , SRTM , . ASTER- ( 1), SRTM-. 1 ASTER -. , ASTER SRTM - (( ASTER + SRTM)/2), -. , SRTM ASTER . () ASTER. . SRTM . - -. 1., SRTM - ASTER, 1:50.000, . , . . [3]

5.

THE STUDY OF METHODS FOR CORRECTING GLOBAL DIGITAL TERRAIN MODELS USING REMOTE SENSING DATA - Ihor Kolb, Marija Lucyshyn, Magorzata Panek [1]

http://www.nasa.gov [2]

Comparison of SRTM and ASTER Derived Digital Elevation Models over Two Regions in Ghana Implications for Hydrological and Environmental Modeling - Gerald Forkuor and Ben Maathuis [3] 22

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Seminarski srtm vs aster