man and water
DESCRIPTION
Man and Water. Pongthep Suwanwaree, Ph.D. School of Biology Institute of Science Suranaree University of Technology February 1, 2005. Water molecule. Earth’s water. Glacier. Hydrologic cycle. Condensation. Rain formation. Snow formation. Air circulation. Too much water. - PowerPoint PPT PresentationTRANSCRIPT
Man and WaterMan and Water
Pongthep Suwanwaree, Ph.D.Pongthep Suwanwaree, Ph.D. School of BiologySchool of Biology Institute of ScienceInstitute of Science Suranaree University of TechnologySuranaree University of Technology
February 1, 2005February 1, 2005
Reducing water waste in irrigationReducing water waste in irrigation
Lining canals bringing water to irrigation Lining canals bringing water to irrigation ditchesditches
Leveling fields with lasersLeveling fields with lasers Irrigating at night to reduce evaporationIrrigating at night to reduce evaporation Using soil and satellite sensors and Using soil and satellite sensors and
computer systems to monitor soil computer systems to monitor soil moisture and add water only when moisture and add water only when necessarynecessary
PolyculturePolyculture
Organic farmingOrganic farming Growing water efficient crops using Growing water efficient crops using
drought-resistant and salt-tolerant crop drought-resistant and salt-tolerant crop varietiesvarieties
Irrigating with treated urban waste waterIrrigating with treated urban waste water Importing water intensive crops and Importing water intensive crops and
meatmeat
Sustainable use of water resourcesSustainable use of water resources
Not depleting aquifersNot depleting aquifers Preserving ecological health of aquatic Preserving ecological health of aquatic
systemssystems Preserving water qualityPreserving water quality Integrated watershed managementIntegrated watershed management Agreements among regions and countries Agreements among regions and countries
sharing surface water resourcessharing surface water resources
Outside party mediation of water Outside party mediation of water disputes between nationsdisputes between nations
Marketing of water rightsMarketing of water rights Wasting less waterWasting less water Decreasing government subsides for Decreasing government subsides for
supplying watersupplying water Increasing government subsides for Increasing government subsides for
reducing water wastereducing water waste Slowing population growthSlowing population growth