Satellite-based algorithm development to estimate actual evapotranspiration over various surface roughness
- Alternative Author(s)
- Soo-Jae Park
- Affiliation
- 부경대학교 대학원
- Department
- 대학원 위성정보과학과
- Advisor
- 한경수
- Table Of Contents
- CONTENTS
LIST OF FIGURES ⅲ
LIST OF TABLES ⅴ
ABSTRACT 1
1. INTRODUCTION 2
1.1. Background 2
1.2. Theoretical Background (Definition) 2
1.3. Previous study 3
1.4. Objectives 4
2. STUDY DATA 5
2.1. Meteorological network dataset 7
2.2. Remote sensing data 10
2.2.1. Land surface temperature (LST) data 10
2.2.2. SPOT/VGT 11
2.2.3. MTSAT-1R 12
2.3. Ancillary data 12
2.3.1. Ecoclimap 12
2.3.2. USGS/DEM 13
2.3.3. MODIS Global Land cover map 14
2.4. The estimated air temperature 16
2.5. Match-up dataset 16
3. SYNTHESIS METHODOLOGY 22
3.1. The daily actual evapotranspiration 24
3.2. Estimation of net radiation using MTSAT-1R data 26
3.2.1. Net shortwave radiation (Rs) 28
3.2.1.1. Incoming shortwave radiation 28
3.2.1.2. Outgoing shortwave radiation 34
3.2.2. Net longwave radiation (Rnl) 35
3.2.2.1. Daily estimates clear-sky solar radiation (Rso) 38
3.3. The sensible heat flux 39
4. NDVI NOISE INTERPOLATION USING HARMONIC ANALYSIS 42
5. DETERMINATION OF B COEFFICIENTS AND ESTIMATING ACTUAL DAILY EVAPOTRANSPIRATION 49
5.1. Relation of 'ET-Rn' and 'Ts-Ta' 49
5.2. Modelling of B-coefficients 55
5.3. Estimating the daily actual evapotranspiration 62
6. FOR VALIDATION DATASET AND COMPARISON OF POTENTIAL EVAPOTRANSPIRATION 64
7. CONCLUSIONS 70
REFERENCES 71
APPENDIX A 78
ACKNOWLEDGEMENT (KOREAN) 85
- Degree
- Master
-
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