PPT-Soil and water essay

Choose one scenario for an argumentative essay Are you for or against it Will the activity disrupt or pollute runoff Will the activity make money vs hurt the environment Answer each question while filling out the graphic organizer. Doug . Cobos, Ph.D.. Decagon Devices and Washington State University. Two Variables are Needed to Describe the State of Water. Water content. and. Quantity . Extent . . . Related Measures. Douglas R. Cobos, Ph.D.. Decagon Devices and Washington State University. Background. About the presenter. Ph.D. in Soil Physics, 2003, University of Minnesota. Director of Research and Development, Decagon Devices, Inc.. Winter Ecology Course. CU Mountain Research Station . Spring 2015. Evan Franklin. Soil Temperature + Water. Water in the winter season is a major limiting nutrient for many organisms, particularly in an arid alpine environment. Snowpack plays a major role in hydrating an alpine plant community.. Doug . Cobos, Ph.D.. Decagon Devices and Washington State University. Two Variables are Needed to Describe the State of Water. Water content. and. Quantity . Extent . . . Related Measures. By the end of this section you will be able..... To name and explain the causes of soil erosion.. Describe in detail how human activities can cause soil erosion.. Name and explain the primary methods of soil conservation.. 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. The purpose of the expository essay is to explain a topic in a logical and straightforward manner. Without bells and whistles, expository essays present a fair and balanced analysis of a subject based on facts—with no references to the writer’s opinions or emotions.. Soil water retention curve. The relationship between soil matric potential and soil water content. “matric suction” = - soil matric potential. Usually soil volumetric water content is used. Usually determined based on empirical data. in a mature temperate forest . under . elevated. . CO. 2. . Susan Quick . SEQ616@student.bham.ac.uk. , . Giulio . Curioni, Phillip Blaen, . St. e. fan . Krause, . A. . Rob. . MacKenzie. . https. Objectives. Define: soil respiration and soil microbes. Explain the role of soil respiration in determining soil health. Diagram the role of soil respiration in the cycle of life on earth. List and explain inherent factors that affect soil respiration. . Rani Abraham. Syllabus portions. The . chemistry of . processes in Lithosphere; Redox status in soil. . pE. pH predominance diagrams for . redox sensitive . elements. Acidity in soil materials. Acid neutralization capacity and . Soil . is the thin layer of organic and inorganic materials that covers the Earth's rocky surface. . Soil . is composed of particles of broken rock that have been altered by chemical and mechanical processes that include weathering and erosion. Soil consists of major components – . Figure 3-24. Fig. 3-24a, p. 69. Mosaic of closely packed pebbles, boulders. Weak humus-mineral mixture. Dry, brown to reddish-brown with variable accumulations of clay, calcium and carbonate, and soluble salts. Kathleen A. Garland, PhD. UHCL. January 28, 2017. Soils and Climate. Soil development. Climate—specifically temperature and rainfall. Determines whether chemical or physical weathering dominates. Determines the vegetative cover.