Assignment2Template_F23

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University of Guelph *

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3450

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Geography

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Dec 6, 2023

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docx

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3

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Student Name: Student #: Assignment 2 Template - F23 Standard lake, stream and watershed metrics and interpretations [total marks 48] Part A - Millers Lake [total 20] Table 1. [11; half marks possible]] Lake surface area (km2) Lake maximum length (km) (Fetch) Predicted maximum wave height (cm) Lake maximum width (km) Lake mean width (km) Lake mean length (km) Lake relative length Lake shoreline length (km) Shoreline development index Lake mean depth (m) Hydraulic residence time (days) Map 1 - Lake area polygon map [1] (copy map in here) Map 2 - Lake maximum length and width map [1] (copy map in here) Part A Questions [7; half marks possible] Q1. Consider the shape, location and orientation of the lake. What likely mechanism(s) created this lake basin? [2] Q2. How complex is the lake shoreline? Briefly explain what you may infer about lake habitats from this Di value? [1] Q3. Which primary producers likely contribute most to total primary productivity in the lake? Briefly explain. [2]
Student Name: Student #: Q4. Study the lake on Google maps using the satellite image (selected in the Layers icon at bottom left). Briefly describe what you think are the primary sources of allochthonous nutrients moving into the lake. Given these conditions and the estimated residence time, what risks does this lake face in the future? [2] Part B - Stream and watershed characteristics - Miller lake [total 28] Table 2. [12; half marks possible] Lake Watershed area (km2) Number 1 st order stream segments in the watershed Geographic position lake inlet Total path length longest inlet stream (km) Straight line distance longest inlet stream (km) Sinuosity index longest inlet stream Headwater elevation longest inlet stream (m) Outlet elevation longest inlet stream (m) Longest inlet stream gradient (m/km) Spring cr. outlet stream order - Strahler Spring cr. outlet stream order - Shreve Proportion lake watershed to Spring creek total area watershed Map 3 – Watershed map of Miller lake [2] (copy map in here) Map 4 – Map of total and straight line distance of longest Miller inflow stream [1] (copy map in here) Part B Questions [13; half marks possible ] Q5. Identify 3 (total) large and small scale factors that influence water velocity in a channel. [3]
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