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650655
Hydrosere
Descrição
A Levels Environmental Studies Mapa Mental sobre Hydrosere, criado por woodmolly3 em 19-03-2014.
Sem etiquetas
environmental studies
environmental studies
a levels
Mapa Mental por
woodmolly3
, atualizado more than 1 year ago
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Criado por
woodmolly3
aproximadamente 10 anos atrás
32
1
0
Resumo de Recurso
Hydrosere
Properties of Water
Changes of State
Solid, Liquid & Gas
Evaporation / Condensation / Melting / Solidification
Anomalous Expansion
Unusual Expansion
Applied to water, which expands as it's cooled below 4C
Heat Capacity
Water heats up and cools slowly
Maintains stability by moderation temperature
Solvent Properties
Dissolved Substances
Hydrological Cycle
Sources of Energy
Solar: Providing energy for evaporation
Gravitational: Downward movement of precipitation
Residence Time
Average length of time water stays in a resevoir
Volume in Resevoir / Rate of Transfer from/to a resevoir
Processes & (Human Impacts)
Inputs
Precipitation (Global Climate Change)
Throughflow
Interception (Deforestation)
Infiltration (Soil Compaction)
Percolation (Soil Compaction)
Ground Water Flow (Actions reducing Infiltration)
Outputs
Evaporation (Increased Temperature)
Transpiration (Vegetation Changes)
Water as a Resource
Uses
Abstractive
Remove Water
Domestic - Washing, Industrial - Cooling, Agricultural - Irrigation
Non-Abstractive
Recreation, Energy (HEP), Transport
Water Quality Requirements
Turbidity (Removal of suspended solids)
pH (Water too acidic, dissolves copper pipes)
Calcium ('Harder' Water > Reduces Tooth Decay > Increases Scum
Pesticides (Can be toxic)
Dissolved Oxygen (Low levels make water smell)
Chlorine (Added to sterilise)
Metals (Damage Nervous System)
Ecoli Abundance (Pathogens cause Disease)
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