1. Introduction

Part I. Water In The Atmosphere:
2. Water aloft: fluid mechanics of the lower atmosphere
3. Precipitation
4. Evaporation

Part II. Water On The Surface:
5. Water on the land surface: Fluid mechanics of free surface flow
6. Overland flow
7. Streamflow routing

Part III. Water Below The Surface:
8. Water beneath the ground: fluid mechanics in porous materials
9. Infiltration and related unsaturated flows
10. Groundwater outflow and base flow

Part IV. Flows At The Catchment Scale In Response To Precipitation:
11. Streamflow generation: mechanisms and parameterization
12. Streamflow response at the catchment scale
13. Elements of frequency analysis in hydrology
14. Afterword: a short historical sketch of theories about the water circulation on Earth

Appendix. Some useful mathematical concepts

Professor Wilfried Brutsaert has been active in education and research for over fifty years at Cornell University, where he has taught courses in hydrology, fluid mechanics, groundwater, and atmospheric boundary layer physics. He has been widely recognized for his research and has received many awards, including the Bowie Medal and the Horton Medal from the American Geophysical Union; the Charney Medal and Honorary Membership from the American Meteorological Society; and the International Award and Honorary Membership from the Japan Society of Hydrology and Water Resources. He was awarded a 'Doctor Honoris Causa' title at Ghent University, and he was the recipient of the Prince Sultan Bin Abdulaziz International Prize for Water. Most notably, in 2022 he was awarded the Stockholm Water Prize. He is a member of the U.S. National Academy of Engineering. Professor Brutsaert was President of the Hydrology Section of the American Geophysical Union, served as a Council member of the American Meteorological Society, and as Section Chair of the National Academy of Engineering. He is also the author of the book Evaporation into the Atmosphere (1982, Springer).