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7/28/2019 Evaporation: a part of the Hydrologic Cycle
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MACHIANHAVILAH
EVAPORATION: A PART
OF THE HYDROLOGICALCYCLE
A CVE 841 TERM PAPER
UDUEBOR MICHEAL AACVE/06/7988
7/28/2019 Evaporation: a part of the Hydrologic Cycle
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EVAPORATION, A PART OF THE HYDROLOGICAL CYCLE - UDUEBOR MICHEAL A. (CVE/06/7988) Page iii
TABLE OF CONTENTS
Table of Contents ii
List of Figures iv
CHAPTER ONE
INTRODUCTION
1.1 Evaporation 1
1.2 Evaporation 1
1.3 Factors influencing the rate of evaporation 4
CHAPTER TWO
2.0 Evaporation from free surface 6
2.1 Evaporation from water surfaces (Lake Evaporation ) 6
2.1.1 Methods of Estimating Lake Evaporation 7
2.2 Evaporation Pans 8
2.3 Measures to Reduce Lake Evaporation 10
2.4 Soil Evaporation 11
2.5 Unsaturated flow 12
2.6 Transpiration 12
2.7 Terms in Evaporation 13
CHAPTER THREE
3.1 Evapotranspiration and the water cycle 16
3.2 Evaporation and Condensation 17
7/28/2019 Evaporation: a part of the Hydrologic Cycle
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EVAPORATION, A PART OF THE HYDROLOGICAL CYCLE - UDUEBOR MICHEAL A. (CVE/06/7988) Page iv
3.2.1 Indirect methods 18
3.2.2 Catchment water balance 19
3.2.3 Hydrometeorological equations 19
3.2.4 Energy balance 20
CHAPTER FOUR
4.0 Experimental Method for measuring ET 21
4.1 Eddy covariance 21
CHAPTER FIVE
5.0 Conclusion 23
REFERENCES 24
7/28/2019 Evaporation: a part of the Hydrologic Cycle
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EVAPORATION, A PART OF THE HYDROLOGICAL CYCLE - UDUEBOR MICHEAL A. (CVE/06/7988) Page v
LIST OF FIGURES
Figure 1: Water cycle of the Earth's surface, showing the individual components of
transpiration and evaporation that make up evapotranspiration. 15
Figure 2: The Hydrologic cycle 16
Figure 3: Monthly estimated potential evapotranspiration and measured
pan evaporation for two locations in Hawaii, Hilo and Pahala .21
http://en.wikipedia.org/wiki/Hawaiihttp://en.wikipedia.org/wiki/Hawaii