water and soil impacts Flashcards
freshwater in our world is found in three main places:
Atmospheric water
Surface water
Ground water
Two categories of water use:
indirect and direct
use water in different activities like hand washing, drinking, cooking, bathing, cleaning and many more.
direct
through the food you eat, the things you buy, and even the energy you use.
indirect
The water used to produce or process a commodity, commercial goods or service is referred
virtual water
measurement of virtual water along the full production - consumption chain is referred to as a
water footprint
3 components of water footprint
green water footprint.
blue water footprint.
grey water footprint
The Philippines has abundant water resources with an annual average rainfall
2,400 millimeters
The surface water potential is
125,790 million cubic meter
groundwater potential
20,000 MCM
can disturb the components of the natural water cycle through land use diversions, water use/reuse and discharge of wastes into the natural groundwater and surface water
HUMAN ACTIVITIES (settlements, industry, and agricultural developments)
(settlements, industry, and agricultural developments)
HUMAN ACTIVITIES
refers to consumption of green water resources like rainwater that is stored as soil moisture in the root zone.
GREEN WATER FOOTPRINT
also evaporates from plants by evapotranspiration and is important for agriculture, forestry and horticulture
GREEN WATER
refers to consumption of blue water resources like surface water and groundwater. This can evaporate, naturally flow or become part of the product
BLUE WATER FOOTPRINT
Domestic, industry and irrigated agriculture uses
BLUE WATER
refers to polluted water or water used to dilute pollutants to satisfy water quality standards. This is what goes into bathroom floor drains, sinks and sewage facilities.
GREY WATER FOOTPRINT
in natural drainage areas can cause soil erosion and pollution. These are direct drivers of ecosystem change.
HUMAN ACTIVITIES
high levels of lead, copper or mercury in sediment loads are indications of
heavy metal contamination.
changed the physical flow of water into the ecosystem through the manipulation of surface water level and groundwater reservoirs.
HABITAT MODIFICATION
like the introduction of non-native species of fish on a lake that has no fish before, can induce important shifts in breeding, feeding and nursing patterns, and even promote algal blooms and the dominance of invasive species.
BIOLOGICAL INVASIONS
Freshwater pollution sources in the following nine categories:
Organic matter
Pathogens and microbial contaminants
Nutrients from agricultural run-offs
Salinization
Acidification
Heavy Metals
Toxic organic compounds and micro-organic pollutants
Thermal Pollution
Silt and suspended particles
Chemical contamination
Microbiological contamination
Fluctuating natural water temperature cycles