Lecture notes 2
Weathering and Erosion
32. soil alkalinity and salinity by Allah Dad Khan
N cycle
Weathering, Erosion, & Soil By: Daniel Cameron. What is erosion, weathering, & soil? Erosion is a process that wears away Earth’s surfaces. Weathering.
An Introduction to Soil Bryan McElvany Research Coordinator Warnell School of Forest Resources Patrick Davies.
Average of discharge from Ji-Paraná river (1978 to 2001) (Agência Nacional das Águas – ANA) Discharge (m 3.s -1 ) pCO 2 (µatm) JJ J F M M A AS O N D atm.
Alkaline and Saline Soils Why do some soils become saline? Precipitation is less than potential evapotranspiration Cations released from mineral weathering.
Mineral Weathering and Secondary Mineral Formation weathering: chemical alteration of minerals (in soils, involves water, gases, acids, etc). Parent material.
SOIL ORGANIC MATTER Biomolecules Organic Acids; Carbohydrates; Other Humic Substances Composition - Formation Cation Exchange Reaction with Organics Reaction.
The Impacts on Agriculture Production from Irrigating with Saline Water and Ways to Efficiently Manage the Impacts By: Kimberly McLeod GEO 361.
Soil properties
