Topics for our discussion:
WQI: water quality index
point sources/ non-point sources
dioxin bioaccumulation vs. mercury accumulation
watersheds/wetlands as buffer/filter
runoff-transit time-King County WA
sources and sinks-global water picture
From our video:
sewage treatment: primary, secondary, tertiary
Private profit, public risk: Externalized costs
ppm, ppb, ppt
PCB vs. Mercury
clay vs. sand: Boeing
n.b. for class:
iPad apps: 5 steps to a ...
pH importance in pollution, soils, mineral absorption
if glaciers melt, can we use that fresh water?
how are glaciers water storage tanks?
400 gal for 1 kg of grain, 10x for beef
bottled water = 2x to produce
2 gals water to refine 1 gal gasoline
energy and water=recall the four:
energy, water, food, culture
1 gallon = about 4 liters
dams: sedimentation, toxic metals
algal blooms and turbidity: how related?
20 days to 4 years degradation in groundwater-pesticides
sewage treatment: pro, sec, tertiary (honolulu and honouliuli)