Laureen S. Kelly, Ph.D.

Wetlands

Images of typical soil profiles, types, and landscape appearances of wetland soils.

Video slideshow on the basic properties of water and details on how water behaves in porous…

Slideshow presentation on essential geologic principles, as they pertain to soil science.

Brief slideshow on plant transpiration and the impact of drought.

Video on processes and components in the water cycle, evapotranspiration, and photosynthesis.

Video on Soil Texture: particle size distribution, modifiers, and texture by feel.

Video on the 12 Soil Orders: typical soil profiles, landscape appearance, and distribution.

Images of organisms in soil and in associations with plants.

Video on Silicates: the primary rock-forming minerals in the earth’s crust.

Video on Radioactivity: isotopes, radiation, and carbon dating.