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Test 1

Limnos Latin for marsh or a wet place
Lentic System standing water ecosystems
Lotic System flowing water ecosystems
reservoir artificial lentic ecosystem
rock pool tinajas, gnammas, or pot holes
tree hole small pools of water inside trees but open to the air; caused by decaying matter
temporary streams flow during part of the year and dry up for part of the year
intermittent streams flow above the surface in certain places and below in others
What are the 4 factors that are independent measurements of a Lentic Ecosystem? Area, Depth, Volume, Shape
What is the dependent factor of a Lentic Ecosystem? Shoreline
Dendritic Pattern "angry dragon;" occurs when a river is dammed; water backs up and floods the tributaries
Lake Position: (-3) highest elevation; water only leaves by evaporation; fed only by direct precipitation to the surface or watershed runoff
Lake Position: (-2) fed only by direct precipitation to surface or runoff; leaves by evaporation or ground seepage
Lake Position: (-1) fed by direct precipitation, runoff, and groundwater; leaves as seepage or streamflow
Lake Position: (1) fed by precipitation, surface flow, and groundwater; leaves as groundwater and permanent streamflow
Lake Position: (2) fed by precipitation, surface flow, groundwater, and streamflow; leaves by evaporation, groundwater, and streamflow
water turnover length of time it takes for every water molecule to be replaced in a body of water; aka recharge time
Alpine glaciation occurs in mountains, right below highest peaks; glaciers cut out depression
Cirque depression on the side of a mountain, created by a glacier
Tarn depression on the side of a mountain, created by a glacier, that is filled with water
Continental glaciation glaciers scour the surface, digging narrow valleys and creating glacial till
proglacial water runoff proceeded the glacier, filling shallow basins
caused floods of Biblical proportions with a wall of water 600ft high glacial Lake Missoula
kettle ponds big chunks of ice fell off of glaciers and eventually melted into the depressions they caused
alluvial dam faster river deposits sediment at the mouth of the slower river, causing a dam
habitat tracking organisms will find their habitat and live there no matter what
Lake Vostok named after one of Russia's early satellites; under more than 1km of ice, 4km deep and as big as Lake Erie; located in Antarctica
oxbow lake a cut off meander of a stream/river
karst topography formed by limestone being diluted, forming caved
permafrost permanently frozen soil; when it collapses, some will melt and fill the depression
graben depressed block of land bordered by parallel faults; the result of a block of land being downthrown producing a valley with a distinct scarp on each side
tectonic activity movement of Earth's crust
example of a graben Lake Tahoe
caldera cauldron-like volcanic feature usually formed by the collapse of land following a volcanic eruption
example of a caldera lake Crater Lake
orogeny the natural process of mountain building
viscosity describes a fluid's internal resistance to flow
When is water density the greatest? At 4 degrees Celsius
two ions that disrupt the freezing point and cause a freezing point depression sodium and hydrogen
turbidity the ability for light to penetrate
fetch distance wind travels uninterrupted across a body of water
seiche occurs when the wind is blowing strong enough to push all the water to one side of the lake
spring overturn oxygen and temperature remain fairly constant
Dimictic has both autumnal and vernal overturns; lake freezes in winter
Monomictic has only autumnal overturn; doesn't freeze in winter
Amictic has no overturn; permanently covered in ice
Polymictic usually tropical and shallow; overturns and stratifications occurs often, based on wind speed
Meromictic monimolimnion has a high concentration of a substance (usually carbon dioxide); when it's turned, all of that substance is released into the atmosphere
the layers in a lake epilimnion - metalimnion - hypolimnion - monimolimnion
orthograde oxygen profile dissolved oxygen profile is uniform
clinograde oxygen profile stratification is visible
positive heterograde oxygen profile algal plate
negative heterograde oxygen profile bacterial plate
thermocline located within the metalimnion; point at which temperature is changing fastest
chemocline thin band between the hypolimnion and the monimolimnion where the concentration of chemical X increases
Created by: stoniertk28