PPT-WATER CYCLE 4: precipitation and runoff

WJEC Focus Box 314 Eduqas Focus Box 214 We are grateful to Hodder for their permission to use the diagrams in this resource Water Cycle 4 A ir uplift condensation clouds A ir . . . Another word for rain is . precipitation. . . Where does rain come from? . How does it get into the cloud? . We are going to listen to a story about a raindrop called Drippy and his Water Cycle adventure. . Denition :Anr-cycleisdenotedby(i1i2:::ir):Example :11=(1)1cycle1212=(1)1cycle1221=(12)2cycle123321=(13)2cycle123231=(123)3cycle12344312=(1423)4cycle1234535421=(13425)5cycle12345 Reading: . Haested. Section 2.4 Computing Hydrographs. Excess . Rainfall and Direct Runoff . Rainfall that is neither retained on the land surface nor infiltrated into the soil. Graph of excess rainfall versus time is called excess rainfall hyetograph. Dave Morgan, Paul Johnston and Laurence Gill. Trinity College Dublin. Phil Collins. HRD Technologies Ltd. Kwabena Osei . Hydro International. morgandt@tcd.ie. Department of Civil, Structural & Environmental Engineering. in Hainan Island. Lei Zhu. Paul . Markowski. , . Zhiyong. . Meng. and . Fuqing. Zhang. Research purpose. T. ry to understand the climatology . of . diurnal. . precipitation cycle in Hainan Island. Goals for This Unit. Explain the structure and processes within the hydrosphere. Explain how water is an energy agent (currents and heat transfer). understand the role of water in weather and atmospheric change. Professor Ke-Sheng Cheng. Dept. of Bioenvironmental Systems Engineering. National Taiwan University. Runoff generating process. Rainfall losses during a storm event. Interception. Depression storage. The continuous movement of water . from the . ocean. …. to the . atmosphere. …. to the . land. …. and back to the . ocean. What powers the Water Cycle?. What powers the Water Cycle?. The Sun!. 1 Impact of al c hange on r unoff in Hai River Catchment , North China : ― A case study of Ye River Basin Y onghui Y ang 1 , F ei T ian 1,2 , S humin H an 1 Center for Agricultural Resources Artificial rain making.. Process of Precipitation:. Precipitation is caused by condensation of water . vapours. of the air mass. . The ascending air mass with sufficient amount of water . vapours. becomes saturated due to adiabatic cooling. Condensation of water . Fly ash, a by product resulting from the combustion of pulverized coal.. 70% of thermal power stations wastes end up in landfills (Hasset et al., 200). Potential toxic effects of heavy metals released to the environment as:. Water Cycle. Water Cycle. Water . moves from the surface of the Earth to the air and then back to Earth’s surface . again.. Water Cycle. The water cycle is powered by the …. SUN. Evaporation. Write the word “evaporation” on your water cycle diagram.. Reading Assignment: . Chapter 5 of Hartmann GPC. 1. Summary of Surface Energy Balance. Rnet. (. SWnet. + . LWnet. ) = . LH. + SH. S. L. SH. E. G. A. w. Outline of Today’s Lecture. 3. Overview of the Global Hydrological Cycle: . From Mays, 2011, Ground and Surface Water Hydrology. A D hour unit hydrograph is the characteristic response of a given watershed to a unit volume (e.g. 1 in or cm) of effective water input (usually rain) applied at a constant rate for D hours.