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Aquatic Studies 2

Water Body Units, Waterbody Structures, Stratifcation of lakes

QuestionAnswer
The epilimnion is usually well_____because of... Well Mixed because its subject of most wind
Hypolimnion is much more____ because..... More limited because of the deeper layers that isolate it from energy inputs
Thermal Stratification is known as what? Layering that occurs in warm months within bodies of water
Epilimnion is what layer. Whats one Characteristic does it have. top or 1st layer and its warmer,less dense.
Metaliminion is in what layer? whats one characteristics about it? middle or 2nd layer and strong vertical differences in temp.
What are 3 major categories of characteristics of aquatic habitat? Physical,Chemical,Biological
Limnology is the study of nature and various what compnets? Physical,chemical,and biological coments of fresh water ecosystems.
Hypolimnion is what layer. Whats one Characteristic does it have. third layer and its colder denser layer
As temp rises Chemical reaction____?Dissolved Solids______?Dissolved Gasses______? Chemical reaction increasesDissolved solids increaseDissolved Gasses Decrease(warm water contains less dissolved oxygen then cold water
Dystrophic Lakes are what colour? and have what in them? Yellow brown colour and have acid and suspended,colloidal,organic particles
What 3 colours that can be given? Colourless,yellow/brown,blue/green
Turbidity is the opposite to what? opposite to transparency
the more turbid the water less_______? transparent
The unit of measurement for turbidity is? NTU is the unit of meausrment
pH is the measurment of concentration of _____in a sample? Hydrogen ions in a sample
pH hydrogen is meausreed in ? moloes/litre
A change in one pH unite represents what? represents a tenfold
True or false ph does not ahve any units? true
Conductivity is normalized to temperature of 25 degrees C. to eliminate the change between temp. and conductivity. What would this be called? its called EC25
What are units for conductivity? Microseimens/cm (uS/cm) or Micromhos/cm (umhos/cm) these units are equivalent
TDS(in mg/L or ppm)=0.67xEC25(in uS/cm or microhos/cm what is this? a direct relationship between conductivity and(TDS) of a water sample so conductivity can be converted into TDS (in mg/L)
What is Biomass and what are the units? is the weight of material in a lake expressed as a mass per unit area (g/meters squared)
Increases biomass per unit time. the units are g/meter squared/day what biological characteristic is this? Productivity
Created by: cplester
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