PDF-Water in soils: Infiltration and redistribution

Overview Infiltration The movement of water from the soil surface into the soil RedistributionThe subsequent movement of infiltrated water in the unsaturated zone of a soil This can involve exfilt. Soil Water Processes. P = Q + ET + G . + . Δ. S. Infiltration. Infiltration capacity: . The maximum rate at which water can enter soil. . Infiltration capacity curve:. A graph showing the time-variation of infiltration capacity if the supply were continually in excess of infiltration capacity. . Presented to Caltrans and RWQCB Staff. May 10, 2013. Prepared by . Caltrans . and Office of Water Programs. . 1. Presented by Sean Penders (Caltrans). Eric Berntsen (SWRCB). Brian Currier (CSUS-OWP). What are soils?. Soils are a mixture of tiny particles of rock, dead plants and animals, air and water.. Different plants grow better in different types of soil. .. Clay Soil. Clay soil.  is an orange or blue-. By . Maizy. B., Kevin F. ,Brian L., and Robyn M. Introduction . 39 infiltration readings were taken in twelve different fields.. 195 surface hardness readings in the twelve fields.. Results. Methods and Materials. flow. (Mays p 310-321). Learning objective. Be able to calculate infiltration, cumulative infiltration and time to ponding using the Green-. Ampt. method as given in Mays Section . 7.4. The rate at which water can infiltrate is important for determining the partition between whether rainfall infiltrates or becomes runoff that flows overland to streams.. University of California Cooperative Extension. Our agenda for today. Basic soil principles. The things we add to our soils. Amendments. Mulches. Compost. Fertilizers. Soils for the Gardener. Why are Soils Important to Sustainability?. Hydrology and Water Resources . RSGIS. Institute of Space Technology. October . 11 & 23, . 2013. Infiltration, Percolation, Seepage. Infiltration. Water moving into soil by crossing the soil surface. Gravel – larger than 2 mm. Sand – 0.05 to 2 mm. Silt – 0.002 to 0.05 mm. Clay – smaller than 0.002 mm. soil. Renewable resource. Renews . very. slowly. 1 cm takes 15 years to form. soil. Importance. Costrell, ATRS, Risks, Redistribution & Remedies AR Teacher Retirement Plan: Risks, Redistribution & Remedies Robert M. Costrell, University of Arkansas (for affiliation only) AR Legislature, Joint Committee on Retirement; September 11, 2018 Kickoff example illustrating the basics. How does the calculator work?. Problem 1. Features, warnings, and help. Treatment trains. Problem 2. Working . with specific BMPs. Problem 3. Discussion. MIDS calculator. Slope. Degree of saturation. Porosity. Permeability. Capillarity. Vegetation. Land use. What factors affect the movement of water?. Slope . is how steep the land is.. The steeper the slope of the land, . Soils support the growth of higher plants by providing a medium for plant roots and supplying nutrient elements that are essential to the entire plant.. Soil properties are the principal factor controlling the fate of water in the hydrologic system. Water loss, utilization, contamination and purification are all affected by the soil.. 137. Cs to forest soil. Hikaru. IIDA. 1. ）. ，. Hiroaki KATO. 1. ）. ，. Tomoki SHINOZUKA. 1. ）. ，. Satoru. . AKAIWA. 1. ）. ，. Tatsuya YOKOYAMA. 1. ）. ，. Sean HUDSON. 1. ）. , Janice HUDSON. Gülay. . KARAHAN. . Kim SEONGYUN. . Yakov . PACHEPSKY. The measurement technique and the land use are two soil structure-related attributes that are typically available in descriptions of infiltration experiments. .