Mid-Project Presentation
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ComprehensiveComprehensive LakeLake InventoryInventory forfor thethe PleasantPleasant LakeLake ProtectiveProtective AssociationAssociation Mid-Project Presentation Colby-Sawyer College Institute for Community and Environment 20052005--20062006 CESCES ThirdThird YearYear ProjectProject TeamTeam Matt Urban Steve Hash Carly Rademaker Loey Kenna AgendaAgenda 6 Class Activities 6 What are Watersheds? 6 The Inventory Explained 6 A Typical Inventory Question 6 What is GIS? 6 Impervious Surface Experiment 6 Plans for the Future 6 Questions and Comments ClassClass ActivitiesActivities GettingGetting FamiliarFamiliar withwith thethe CommunityCommunity 6 Elkins Meeting 6 Getting to know the people of Elkins. Understanding their concerns and desires. 6 Hikes 6 Exploring the watershed, establishing a sense for our surroundings. 6 Kayaking 6 Having a look at the lake from a different perspective. Viewing the perimeter and inlets. ClassClass ActivitiesActivities LearningLearning aboutabout thethe SurroundingSurrounding EnvironmentEnvironment 6 Flora and Fauna 6 Identification of species within the watershed Example: 6 Red maple (Acer rubrum) 6 Black bear 6 Macro Invertebrates 6 Stream ecology- species collection process Example: 6 Stoneflies 6 Mayflies ClassClass ActivitiesActivities DataData CollectionCollection 6 Flow Measurement 6 Measured flow and conductivity at each inlet 6 Tidbits 6 Measuring the waters temperature at different depths and graphing the results. Observing the Lake’s turnover. 6 Tidbits were left in the water recording every five minutes for roughly 3 months. Tidbit Chart Tidbit Chart Temperature (C) 11 13 15 17 19 21 23 25 5 7 9 Date 9/14/2005 9/15/2005 9/15/2005 9/16/2005 9/17/2005 9/18/2005 9/18/2005 9/19/2005 9/20/2005 9/21/2005 9/21/2005 9/22/2005 9/23/2005 Date 9/24/2005 9/24/2005 9/25/2005 9/26/2005 9/27/2005 9/27/2005 9/28/2005 9/29/2005 9/30/2005 9/30/2005 10/1/2005 10/2/2005 10/3/2005 10/3/2005 Temperature (*C) (8 m) Temperature (*C) (2.5 m) Temperature (*C) (1 m) ClassClass ActivitiesActivities ExpandingExpanding ourour KnowledgeKnowledge 6 Hydrology 6 Michael Simpson from Antioch New England Graduate School gave a lecture and guided tour of nearby watershed of Lake Sunapee. 6 Providing insight to how the water flows within a watershed. 6 Impervious Surface Literature Reviews 6 Methodology 6 Storm-water management 6 Types of impervious surfaces 6 Impacts on wildlife WhatWhat isis aa Watershed?Watershed? Area of land which is not separated by political boundaries that contributes runoff into a common body of water Major Basin Androscoggin River Pleasant Lake Watershed Upper Connecticut River Within The Upper Blackwater River Watershed Saco River Merrimack River Lower Connecticut River Sub-watershed Merrimack River Sawyer Brook-Stocker Brook Eastman Frazier Brook Little Lake Sunapee Pleasant Lake Sunapee Lake Lake Sunapee Upper Blackwater River Lane River Upper Connecticut River Wilmot Springfield New London WhyWhy isis WatershedWatershed ManagementManagement Important?Important? 6 Benefits the Community 6 Aesthetics 6 Historical preservation 6 Economics 6 Best practice development 6 Improves Environmental Health 6 Water quality 6 Biodiversity WatershedWatershed HistoryHistory 6 Shift in Thinking 6 Natural verses political boundaries 6 Importance of environmental issues 6 Citizen education and action 6 Land use and connectivity 6 Pleasant Lake Protective Association (1969) 6 Our partner in completing the Inventory TheThe InventoryInventory ExplainedExplained 6 Major Goals 6 Establishes baseline information 6 Provides standardized methods 6 Creates starting point for future management plans CategoriesCategories 6 The Inventory has three main categories... 6 Recreational Value 6 Water clarity, restrictions, shoreline features 6 Unique or Outstanding Value 6 Unique/scenic features, habitat, open space 6 Susceptibility to Impairment 6 Shallow depth, exotic species, excessive recreation AttributesAttributes 6 …and ten attributes: 6 Recreational 6 Geographical, Spatial, Characteristics and Demographic 6 Restrictions or Information Prohibited Uses 6 Physical Waterbody 6 Unique Characteristics Characteristics 6 Shoreland Characteristics 6 Water Quality Characteristics 6 Watershed Characteristics 6 Biological/Ecological 6 Visual/Aesthetic Characteristics Characteristics ScoringScoring 6 Recreational Value 6 Ranked 1 – 5, with 1 being the lowest level of recreational value and 5 the highest 6 Unique or Outstanding Value 6 Ranked 1 – 5, with 1 being the least unique or outstanding value and 5 the most. 6 Susceptibility to Impairment 6 Ranked 1 – 5, with 1 being the lowest level of susceptibility and 5 being the highest. AA TypicalTypical InventoryInventory QuestionQuestion ATTRIBUTE 2. PHYSICAL WATERBODY CHARACTERISTICS Question A. Surface water area. Directions – The New Hampshire Lakes and Ponds Inventory provides the best and most comprehensive source of information to answer this and many of the other questions for this section. The user(s) should contact NH DES Watershed Management Bureau to obtain a copy that has the most recent information for the waterbody. Rationale – Surface water area is an important consideration when developing a management plan, as larger waterbodies will often require more complex strategies and innovative solutions for long-term protection or restoration of its natural resources. Also, it is important recognize the waterbody’s relative size as compared to other New Hampshire lakes and ponds. AA TypicalTypical InventoryInventory QuestionQuestion Evaluation Comments, Actual Evaluation Criteria Rec. Out. Sus. Question Values or Computations A) Surface 1) 10 – 50 acres 1 water area 2) 51 – 100 acres 2 (acres 3) 101 – 250 acres 3 excluding wetlands) Source of information 4) 251 – 1,000 acres 4 and date of survey: 5) > 1,000 acres 5 6 One question may have fall into two evaluation categories Evaluation Comments, Actual Evaluation Criteria Rec. Out. Sus. Question Values or Computations A) Total 1) < 100,000 people 1 1 resident 2) 100,000 – 250,000 2 2 population 3) 250,000 – 500,000 3 3 w/in 30 mile radius Source of information 4) 500,000 – 1,000,000 4 4 and date of survey: 5) > 1,000,000 people 5 5 TheThe WriteWrite -- UpUp Process Followed: Consulted the New Hampshire Lakes and Ponds Inventory Lake Trophic Data for Pleasant Lake. Finding and Analysis: The surface area of Pleasant Lake is 605.90 acres. Evaluation Criteria: Score: 1.) 10 – 50 acres 1 2.) 51 – 100 acres 2 3.) 101 – 250 acres 3 4.) 251 – 1,000 acres 4 5.) >1,000 acres 5 Sources: New Hampshire Lakes and Ponds Inventory, Pleasant Lake. Lake Trophic Data. Department of Environmental Services, 1997. Assessment of Question: This question is adequate as stated. MapMap ExampleExample WaterbodyWaterbody Location Location in State Attribute 1: Question A 6 Some questions may require a map which will appear immediately after the write-up in the inventory Miles 024 Legend Pleasant Lake New London Boundary Digital data in NH GRANIT represent the efforts of the contributing agencies to record information from the cited source materials. Complex Systems Research Center (CSRC), under contract to the Office of State Planning (OSP), and in consultation with cooperating agencies, maintains a continuing program to identify and correct errorsi in these data. Neither OSP nor CSRC make any claim as to the validity or to any implied uses of these data. WhatWhat isis GIS?GIS? 6 GIS = Geographic Information System 6 A system for 6 Capturing 6 Managing 6 Manipulating 6 Displaying 6 and Analyzing…Spatial Data 6 Data is input in layers, which can be overlaid or joined GISGIS 6 We are using GIS to address many questions in the inventory: 6 Shoreland/Watershed development and land use. 6 Shoreland/Watershed ownership. 6 Protected lands within shoreland/watershed. 6 Shoreland/Watershed topography (slope). 6 Shoreland/Watershed geology and soils. 6 Percents of impervious surface with the shoreland/watershed. GISGIS 6 We are using GIS to address many questions in the inventory: 6 Shoreland/Watershed development and land use. 6 Shoreland/Watershed ownership. 6 Protected lands within shoreland/watershed. 6 Shoreland/Watershed topography (slope). 6 Shoreland/Watershed geology and soils. 6 Percents of impervious surface with the shoreland/watershed. Pleasant Lake Pleasant Lake 250 ft. Buffer Pleasant Lake 250 ft. Buffer Buildings Pleasant Lake 250 ft. Buffer Buldings ImperviousImpervious SurfacesSurfaces 6 Defined: 6 “Any material that prevents the infiltration of water into the soil” (Arnold & Gibbons 243) 6 Parking lots, lawns, roofs, roads, etc… 6 Associated problems 6 Non-point source polluter 6 Potential to increase turbidity, conductivity, pH 6 Decline in infiltration/percolation 6 Impact wildlife ThresholdThreshold ofof DegradationDegradation % Impervious Surface Waterbody Status Less than 10 percent Protected 10-30 percent Initial degradation/Impacted Greater than 30 percent Heavily degraded Brabec, Elizabeth, Stacey Schulte, and Paul L. Richards. "Impervious Surfaces and Water Quality: A Review of Current Literature and Its implications for Watershed Planning." Journal of Planning Literature May 2002 OurOur ExperimentExperiment 6 Percent imperviousness 6 The role of slope on an impervious surface 6 Data collection 6 Materials/Methodologies PlansPlans forfor NextNext SemesterSemester 6 Finalizing the Inventory 6 Impervious Surface experiment and analysis 6 Rate of development 6 Bringing Together all the Information 6 Final assessment of Pleasant Lake Watershed 6 Communicating Findings 6 Final presentation in May 6 Published project portfolio Questions? The Third Year Project Team would like to thank the members of the Pleasant Lake Protective Association for their help and input. Special thanks to Kittie Wilson for all of her assistance with our project..