An ArcGIS Desktop Standard license is required to enable the Bathymetry Solution. 1: Strait of Gibraltar with the downloadable bathymetry data. %%EOF Found inside â Page 13... faculty or staff : â A Sensitivity took place during the first week of June , Miller Analysis of GIS - based Lake ... Gap Analysis Project : bathymetry ( depth of large bodies of water ) , â The quilt underlies the blanket . Bathymetric contours have been spatially reconciled with the NOAA Coast Survey nominal scale 1:80,000 digital vector shoreline, which by definition coincides with the Lake Erie low water datum, the zero-depth employed for bathymetric surveys and nautical charting. Found inside â Page 1141Bathymetric data for Vitus Lake was collected using a portable bathymetric survey system deployed in an inflatable boat . The system simultaneously collects position , depth and temperature data that is compatible with ( GIS ) ... The GEBCO One Minute Grid — a global one arc-minute grid Released: 2003, updated: 2008 — largely based on the most recent set of bathymetric contours contained within the GEBCO Digital Atlas. Stack Exchange network consists of 178 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Links to extensions in parentheses will require a separate license to enable their functionality. Mannaerts (1)International Institute for Geo-Information Science and Earth Observation (ITC), PO Box 6, 7500 AA Enschede, The Netherlands, E-mail:dost@itc.nl ABSTRACT Bathymetric information on lakes and reservoirs has ��4 IJQO��ᚃ�_11�,�Q)(6,VG�t�ꗪ�� ���w[� GIS Contacts; Online Map Viewer Found inside â Page 68It received the A slope map of the lake floor proved to be one reflected sound that determines both the depth and of the best views for interrogating the bathymetric strength of the signal ( acoustic backscatter ) as the data . Local pick-ups only - no mailouts. The USGS has made bathymetric surveys for many coastal areas and for selected rivers and lakes in the U.S., including Yellowstone Lake, Crater Lake, and Lake Tahoe. Contour intervals are 5 feet for most lakes, 2 feet for some. Originators. Found inside â Page 1798The estimated lake depths from RS satellite image were then used to estimate the sediment and erosion capacity in the lake using the developed 3D profile of this lake and the generated changes map using ArcGIS software. Found inside â Page 531... 171, 174,204, 299, 385 transmissivity, 126 types, 124 unconfined, 125 ArcGIS, 455 Archaeology, 19 Arsenic, 159, 161, 164, 350 Artificial neural network (ANN), 427, 439 B Barium sulfate, 40 Barriers, 406 Bathymetry, 425â451 Beaches, ... The mapping platform for your organization, Free template maps and apps for your industry. It could be the PDFs show contours as drawn on earlier maps, just a scan, and there is no . SLD Polygons Download. Found inside â Page 78Spirit Lake was not well studied prior to the 1980 eruption, although some scant and basic chemistry, biology, and bathymetry data were gathered in 1974 (Dion et al. 1976) and again on 4 April 1980, just prior to the eruption (Wissmar ... Data processing to create the final map is done in Geographic Information Systems (GIS) software. How can I select which interpolation technique will be used in a gdal command? Making statements based on opinion; back them up with references or personal experience. 0000001054 00000 n 0000012467 00000 n Found inside â Page 179... 165 gibraltar, 21, 89 giS (geographic information) system, 49, 119, 133; and archeomar project, 39; and arcgiS, ... 101; and site records, 25, 36, 39; and target sites, 119 grand Ribaud island (France), 35 great lakes (u.S.), 18, ... Bathymetry is the measurement of water depth in lakes. The physical, environmental and social aspects of a geographical area that contains one-quarter of Canada's population." Our company, staff and associates have . Or is it always a bit of trial and error? 0000003703 00000 n Geographic Information Systems Stack Exchange is a question and answer site for cartographers, geographers and GIS professionals. The data are provided in two formats (ASCII XYZ and ArcInfo GRID) that can be used in a number of GIS and visualization software packages. Found inside â Page 8To determine recent bathymetry, profiles were cut from 2008 LIDAR data. The LIDAR was collected by the ... The LIDAR data were converted to a triangulated irregular network (TIN) using ArcGIS. Using 3D Analyst, profile lines were ... Found inside â Page 55This model was created and managed in ArcGIS 9.3, which eased data manipulation and weighting of numerous factors at the same time. A 3-arcsecond resolution bathymetry raster was downloaded from NOAA (2009) as a base layer and to derive ... 18″ x 27″ Maps are $12.00 24″ x 36″ Maps are $16.00 36″ x 54″ Maps are $27.00. GENERATION OF LAKE BATHYMETRY USING SONAR, SATELLITE IMAGERY AND GIS R.J.J. This GIS layer contains bathymetric elevation bands (derived from bathymetric contours) of selected freshwater lakes in Washington State. How can I make an \underbrace without a brace? Hudson River Estuary Bathymetry Tidal Datums SHAPE These raster grids approximate the deviation of the Mean Higher High Water (MHHW) or Mean Lower Low Water Level (MLLW) tidal datum surface from the Mean Sea (River) Level (MSL) or North American Vertical Datum 1988 (NAVD88) for most of the tidal Hudson River. We will . NOTE: The bathymetry data are published on this CD-ROM as elevations above sea level. This site will provide users with subset query and output format (shape . Found inside â Page 135Rather than using the data collected to infer sludge height in ponds, the boat was used for bathymetry surveys of three basins along Troups Creek. ... Filtered data (using a Python script) was input into ArcGIS to create ... Its ability to support a broad range of data types, combined with the visualization and analysis tools in ArcGIS, increases the value of your bathymetry data. 0000001310 00000 n Included is the methodology for transforming L 1 Quality Assured Data into L4 Algorithmic Model Products using ArcGIS. Is it a good idea to make the actions of my antagonist reasonable? Intuitively, I would think interpolation with Nearest Neighbour makes the most sense since the differences in depths are relatively regular. Willard Gustafson, GISP. This project is a cooperative effort between investigators at the NOAA National Geophysical Data Center's Marine Geology . A 3-D full color poster (26x50 inches) of Lake Erie and Lake Saint Clair at one . By looking at the image QGIS don't utilize the boundary automatically. Bathymetric data requires some spatial processing on QGIS to represent lake bottom elevation contours and lake depth. A 2004 monograph describing wind-generated polar landforms, both modern-day and those preserved in the geological record. It's just the location of each lake, not bathymetric contours within each lake. This grid contains one attribute DEPTH that represents lake depth in (negative) feet. The ArcGIS Hub - Open Data site works best with either Firefox or Chrome and is available during normal business hours. Bathymetric Data Viewer (search) Zip file with contour source data from Glen Busch used by biowest in developing bathymetry. Bathymetry of Lake Superior has been compiled as a component of a NOAA project to rescue Great Lakes lake floor geological and geophysical data and make it more accessible to the public. 0000005389 00000 n What do the scammers do when they get access to someone's online banking? 0000001351 00000 n Scroll down to "BATHYMETRY INDEX". 0000005162 00000 n The point coverage was then used to generate a three-dimensional surface representing the lake-bottom elevations. Found inside â Page 250The basic CERI habitat effectiveness model was then refined , and put into an ESRI ArcGIS Modelbuilder format . ... AR , USA 72701 The Dynamic Shore of Yellowstone Lake : Geomorphic Processes and Lakeshore Management Perspectives The ... This map and animation show the bottom of Crater Lake. As a public service, we have made some of our data available for viewing and downloading. Thanks for contributing an answer to Geographic Information Systems Stack Exchange! Available data sets include the federally-sponsored National Hydrography Dataset and the Minnesota DNR Hydrography lake delineations, Public Waters Inventory delineations, and lake bathymetry. Lake Whatcom Bathymetric Map (5.4MB PDF) Paper copies of the Bathymetric Map can be purchased from the Planning Department for the following prices . To estimate the storage capacity of water bodies like lakes, ponds and reservoirs, can be performed through indirect methods, which calculate the volume of water retained through cartographic information, bathymetry and a digital elevation model are required for the calculation is performed with the tools of ArcGIS 3D Analyst extension. This allows for not only the creation of the bathymetry of the lake, but also detailed analysis of water volume by . This mapping tool contains bathymetry data compiled by the Alaska Fisheries Science Center's Groundfish Assessment Program from the Aleutian Islands, Cook Inlet, the Central Gulf of Alaska and Norton Sound in Alaska. Collecting alternative proofs for the oddity of Catalan. ArcGIS Bathymetry GIS enables bathymetric data management by providing an easy-to-use, scalable solution that leverages the power of ArcGIS. Our geodatabase's standard projection and datum are in Washington State Plane . Dost (1), C.M.M. WSGS Bathymetry of Yellowstone Lake This raster dataset was interpolated by the WSGS from the 10m contour intervals in the USGS Scientific Investigations Map 2973: "Bathymetry and Geology of the Floor of Yellowstone Lake, Yellowstone National Park, Wyoming, Idaho, and Montana authored by Lisa A. Morgan and others. From QGIS, use the GRASS tool v.surf.rst: Performs surface interpolation from vector points map by splines. Data collected during the bathymetric survey were input into a geographic information system (GIS) software package, ArcInfo, to create a point coverage representing discrete point locations. The data were validated against more recent data (Shuttle Radar Topography Mission 'SRTM' imagery and Indian Remote Sensing 'IRS' imagery) and corrected where . startxref Which interpolation technique is suitable for a bathymetry of a small lake? Using Spatial Analyst and 3-D Analyst in ArcGIS, the points were converted to a TIN. Great Lakes Bathymetry. This map and animation show the bottom of Crater Lake. 38 0 obj <> endobj site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. I am new to ArcGIS Pro! Resources. ERS is a fully trained, certified and capable business that can perform both small- and large-scale hydrographic and sub-bottom profile surveys on lake and river systems for a wide range of clients. In this case maybe Splining is a good option, it smooths the surface out which I imagine is how a lake bottom looks (but i really dont know) "Conceptually, it is analogous to bending a sheet of rubber to pass through known points while minimizing the total curvature of the surface. Found inside â Page 229St Martin's Press, New York Ewes S (2014) Dead men's eyes: embodied GIS, mixed reality and landscape archaeology. ... of 24th ESRI user conference. pp 1â11 Ford B (2018a) The shore is a bridge: the maritime cultural landscape of Lake ... Multibeam bathymetric data collected within Lake Powell, UT-AZ during USGS Field Activity 2017-049-FA using a dual-head Reson T20-P multibeam echosounder (32-bit GeoTIFF, UTM Zone 12N, NAD 83, NAVD 88 Vertical Datum, 2-m resolution). Lake Bathymetry GIS Metadata - Contains technical documentation describing the Lake Bathymetry Polygon feature data and the data sources, process steps, and standards used to collect, digitize, and store this information in a geographic information system (GIS). Further information about Crater Lake bathymetry can be found at this website, "2000 Multibeam sonar survey of Crater Lake, Oregon - Data, GIS, images, and movies". This data set provides the most up-to-date bathymetry of one of the largest areas of deep-water seabed under national jurisdiction. 0000001190 00000 n The present contours and grids have been partially derived and . 0000009511 00000 n V���`@5��7P�T����"1���o�i��iS�]/5$�y�l,^3���� GENERATION OF LAKE BATHYMETRY USING SONAR, SATELLITE IMAGERY AND GIS R.J.J. Click "Download". 0000003136 00000 n Found inside â Page 39AD 1800 and still is calving , and Suðurjökull , which was calving into the lake in the early s , and retreated from the ... In the northern portion of the main basin a series of bathymetric highs form a loosely defined ridge that rises ... Winner of the 2019 International Cartographic Conference - Educational Products award: A comprehensive, one-stop-shop cartography guide, Cartography. serves as a reference and an inspiration for anyone who is required to make a map, but it ... The following topics help you learn how to leverage the ArcGIS platform to get the most out of your bathymetry data. What are you allowed to move into the big O notation for it to be still correct? Found insideThe topography of the catchment including the lake bathymetry was constructed in ArcGIS from 100m contours within the land part of the catchment and from 10m bathymetry contours within the lake (Figure 1). Then subscribe and turn on notifications!Don't forget to subscribe my youtube channel.This tutorial explains how to : . It would be great if anyone could suggest a resource where some procedures/guidelines are outlined to make sure that consistent output is achieved with respect to interpolation of this kind and in other cases too. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Information and data for those studies is on the USGS Maps of America's Submerged Lands website. Activity Stream. How could my island-country mostly populated by massive humanoids subsist its inhabitants? Lake bottom contours. Suspect its some problems with the way I have projected data. Bathymetry of Lake Michigan This bathymetry of Lake Michigan provides a detailed look at the lake floor topography and serves as a GIS base layer for many applications. 38 24 Office:(918) 392-5620 x211 -. "....in 10 days" or ".....after 10 days. Lake Bathymetry and Morphology, as well as Watershed Hydrology and Land Use. 0000000016 00000 n Lakes Data for Minnesota. Wizard Lake, Alberta - Bathymetry (GIS data, line features) All available bathymetry and related information for Wizard Lake were collected and hard copy maps digitized where necessary. What does the sentence "our holiday isn't for weeks yet" mean? Found inside â Page 1149The final mapping of the hydraulic properties was developed using the ArcGIS software package. 3.3 Computational setup From the LIDAR topography and the synthetic bathymetry, a unstructured triangular mesh was generated for surface flow ... Bathymetry, or the measurement of depth of water, is an important measurement in achieving your waterway goals. 0000006440 00000 n A wealth of GIS data delineates and describes Minnesota's lakes. (gdal_fillnodata.py), Looking for bathymetry data for Lake Sakakawea in North Dakota. Why can't we simulate a Qubit using classical computer? Data Administrator updated the dataset Lake Bathymetric Outlines, Contours, and DEM 7 . Bathymetry Polygons Download. Goal: To create the fist ever high-resolution bathymetric GIS raster for Lake Victoria in Africa. Lake Superior (233Kb) Lake Michigan (209Kb) Lake Huron (253Kb) Lake St. Clair (16Kb) Lake Erie (72Kb) Lake Erie [rotated] (89Kb) Lake Ontario (76Kb) Great Lakes shorelines (260Kb) The bathymetric grids consist of an array containing the average lake depths in 2-km squares (1.2-km squares for Lake St. Clair). Most suitable interpolation method - regridding. Bathymetric maps of each lake and reservoir are presented with figures of the elevation-volume curves in the Scientific Investigations Map (Kohn and Hempel (2020)).The bathymetric surveys for this study were carried out from October 15, 2019, to December 12, 2019, using a manually operated, boat-mounted, single-beam echo sounder integrated with a Real-Time Kinematic (RTK) Global Navigation . Then, you can test different types of parameterization available within the tool. Lake Superior bathymetry partially completed. I never asked exactly why but we were pleased with the results. Found inside â Page 2362012). lake covers 19.4 km2 and is embedded in a glacially Material and methods overprinted landscape consisting of ... The only outlet, the artificially regulated Glanfurt, leaves the Multibeam bathymetry Bathymetric data were acquired ... Purpose: This dataset was created to preserve historical data for Medicine Lake and to make the data available in digital form. How to teach logarithms to high school students? Lake Bathymetric Digital Elevation Model (DEM): A digital elevation model (DEM) representing lake bathymetry. Found inside â Page 115Moraines , glacier margins , lakebed bathymetry , shorelines with their associated deltas and bedrock spillways , and sampling ... shaped deltas and lakes were estimated using the 3D spatial analyst extension in ArcGIS ( ESRI , 1999 ) . Additionally, with bathymetry and GIS mapping the new contours of a dredged pond, lake, or reservoir can be accurately designed to stay within allotted water storage rights. Some articles seemed to suggest Inverse Distance Weighting (IDW) as the most suitable technique, yet I seemed to get the worst results with that (possibly owing to low point density). 0000003627 00000 n This is recommended for cartographic visualization only and not recommended for data analysis. Use in combination with other Lake Bathymetric GIS . This is a lake of approximately 13 ha with 81 sampled depth points in about 10 transect lines: Previously in ARCgis with a 50 ha lake and about a 100 depth sampling points, I got decent output wit. Are there any heuristics which can be employed here considering the size of the lake, its regular profile and the point sampling density to arrive at which interpolation method is apt? reefmaster.com.au/index.php/forum/support/…, gisresources.com/types-interpolation-methods_3, Introducing Content Health, a new way to keep the knowledge base up-to-date. OSM tiles as background. This tool requires an ArcGIS Desktop Advanced license. Extract bathymetry raster values to lat/long point data. Interpolation of multibeam bathymetry. Which amount of fuel is important - mass or volume? Beaver Lake was constructed in 1966 on the White River in the northwest corner of Arkansas for flood control, hydroelectric power, public water supply, and recreation. rev 2021.11.22.40798. This program is managed by NGDC and it relies on the cooperation of NOAA/Great Lakes . Swanson Lake - Trenton Dam Bathymetric Survey 2011 (download report, pdf 1.6MB) (GIS data 5.6MB) Swanson Lake Area and Capacity Tables 2011 (download report, pdf 0.2MB) Theodore Roosevelt Lake Sedimentation Survey 1981 (download report, pdf 2.9MB) Bathymetry is used to measure water depths to help model physical underwater terrain found beneath large bodies of water. Which interpolation method is the most suitable for DEMs? Spline is what I used on a River Bathymetry project I did as a contractor for USGS. The best answers are voted up and rise to the top, Geographic Information Systems Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. Usage. Google image of Lake Suggs and Barco in D3 Red = Lake Outline When I figure it out I will put the results in the edits to the question. I would add a bunch of points with zero depth along the boundary. We work directly with government agencies, lake associations, engineers, developers and dredging companies. The point coverage was then used to generate a three-dimensional surface representing the lake-bottom elevation. Podcast 394: what if you could invest in your favorite developer? The Great Lakes Commission is a leader in mapping and analysis for the Great Lakes and the St. Lawrence River. This method is best for gently varying surfaces, such as elevation, water table heights, or pollution concentrations." It includes data from over 4.2 million points and 100-years of surveys. 0000002103 00000 n This is a hands-on book about ArcGIS that you work with as much as read. We maintain the spatial datasets described here in order to better describe Washington's diverse natural and cultural environments. Data collection begins with the integration of depth soundings with DGPS positional data. 0000000791 00000 n The published data set contains the lake bathymetry formatted as an Arc ascii grid. The output TIN can be used to generate smoothed depth contours. Good answer! I am looking for a better method. This tutorial shows the complete procedure to analyse a bathymetric survey on the Lake Patillas in Puerto Rico with QGIS to generate: Lake bottom DEM. 0000001536 00000 n View In: ArcGIS JavaScript ArcGIS Online Map Viewer ArcGIS Earth ArcMap ArcGIS Pro View Footprint In: ArcGIS Online Map Viewer Service Description: Lake Bathymetry, 20190417 (IDNR) - Shows bathymetric contours for 164 lakes in Indiana, depicting the depths of the water from the shoreline of each lake as elevation of zero. One alternative is spline interpolation as suggested in the related post: Explains how to use ArcView, then uses ArcView as a base for teaching ArcEditor and ArcInfo to allow readers to learn tasks including mapmaking, spatial analysis, and managing geographic data. You want so see more videos like this? ArcGIS Bathymetry is a component of the ArcGIS for Maritime platform and is available with ArcGIS Desktop.As an extension, the Bathymetry Solution builds upon the existing functionality of mosaic datasets and allows you to:. Looking for interpolation tool to produce river bathymetry (topography) from sections. Goal: To create the fist ever high-resolution bathymetric GIS raster for Lake Victoria in Africa. How can I not get unfairly blamed for things by my boss. NOAA is engaged in a program to compile Great Lakes bathymetric data and make them readily available to the public, especially to the communities concerned with Great Lakes science, pollution, coastal erosion, response to climate changes, threats to lake ecosystems, and health of the fishing industry. Cut Fill tool (3D Analyst or Spatial Analyst), Minus tool (3D Analyst or Spatial Analyst), Key concepts for sharing an image service. General Documentation: Lake Michigan Bathymetry home page for Lake Michigan bathymetry data; Associated Resources: Great Lakes Bathymetry Project. Found inside â Page 1986Maximum depth was extracted from bathymetric data , while lake perimeter and surface area were extracted from georeferenced maps in ArcGIS . = Fish community The fish communities of each lake were determined using archived data from the ... 03-09-2021 08:58 AM. Why does the apostle Peter misquote Isaiah 28:16 in [1 Peter 2:6]? Lake Bathymetry is a line feature-based layer that includes bathymetric (water depth) information for selected reservoirs, lakes, ponds and coves in Connecticut. Ensure only one instance of script is running? This tutorial shows the complete proced. The majority of the bathymetric contours were digitized from maps contained in a series of seven documents: Reconnissance Data on Lakes in Washington, Water-Supply Bulletin 43, Volume 1 through 7 by the United States Geological Survey in cooperation with the . Found inside â Page 51Housing , transportation , Depth and x - y location data were used to create a and recreational development in the area is increasing , bathymetric map of the modern lake bottom using ArcGIS especially around Stowe and in the ski areas ... In QGIS, I got the interpolated raster below, using the TIN method in the Raster Interpolation plugin. Direct: (918) 894-5995. trailer (between Kriging, IDW, Bilinear, Cubic convolution, TIN or spline). Bathymetry Contours Download. xref I had some trouble trying to run v.surf.rst, it refused within QGIS to give me any proper raster output with values. Bathymetry of Lakes Michigan, Erie, Saint Clair, Ontario and Huron has been compiled as a component of a NOAA project to rescue Great Lakes lake floor geological and geophysical data and make it more accessible. You can thin spot heights on the basis of depth with the Reduce Point Density in the Bathymetry Tools toolbox or use the following tools to perform other types of analysis. Lake Superior (233Kb) Lake Michigan (209Kb) Lake Huron (253Kb) Lake St. Clair (16Kb) Lake Erie (72Kb) Lake Erie [rotated] (89Kb) Lake Ontario (76Kb) Great Lakes shorelines (260Kb) The bathymetric grids consist of an array containing the average lake depths in 2-km squares (1.2-km squares for Lake St. Clair). What is this connector piece called coming from radiator? Does 10BASE-T need more sophisticated electronics than 10BASE5/10BASE2? Found inside â Page 286Iceberg Lake drainage basin (yellow line), lake area (white-outlined blue DEM), and lake bathymetry derived from ASTER ... The volume below this lake surface elevation was then calculated within ESRI ArcGIS software (3D Analyst tools). Placing and designing an aeration system is a complicated process that depends on each unique lake, pond or reservoir's characteristics. In general, elevations above 4200 are derived from the 10-meter NED DEM . This tool requires an ArcGIS Desktop Advanced license or an ArcGIS 3D Analyst extension or ArcGIS Spatial Analyst extension license. In addition to the Division of Water, the team consisted of members from the Division . This paper describes the creation of bathymetric maps utilizing Trimble ProXR DGPS and ArcGIS. Found inside â Page 115A digital elevation model (DEM) was prepared in ArcGIS 10.2.2 (ESRI Inc., Redlands, CA, USA). ... The cross-sectional widths are determined by the shoreline bathymetry as each cell spans the width of the waterbody. Credit: Alberta Environment and the Alberta Geological . %PDF-1.6 %���� A bicubic interpolation of the gebco data was done by the factor 3. Similar to the same way that LiDAR models are represent 3D features (or relief) of land terrain, bathymetric maps illustrate the terrain or land that is located under large bodies of water. Found inside â Page OH-19We used an empirical technique to classify seafloor facies based on combined multibeam bathymetry and acoustic backscatter data . ... we recorded real - time biotic and abiotic observations from the video data into an ArcGIS database . By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. I almost made a similar answer but I wasn't sure of the justification. <]>> Reefmaster creates good looking contours and shaded relief with TIN. Found inside â Page 688... and maps from the 1970s to 2010s and represented together with the geological interfaces in a 3D GIS (by ArcGIS). ... Topographical data are twofold: manual bathymetry within and at the contour of the lake and 1 m-digital elevation ... A Bathymetric Team was formed to map the area surrounding the lake as well as the subsurface. Ontario Open Data has the 150mb shapefile. Found inside â Page 2... Antarctica : 1940-2005 10 Atlas of Kolkata 47 Hurricanes on the U.S. Gulf Coast 31 12 Bathymetric Maps for Great Salt Lake , Utah A Visual Corridor Analysis for Coastal British Columbia 48 Sunnyside Emergency Operations Centre Map ... Data Administrator updated the dataset Lake Bathymetric Outlines, Contours, and DEM 4 months ago. This map service illustrates water depths for Georgian Bay, Lake Simcoe, Lake Couchiching, Severn River including Sparrow Lake. Managing your bathymetry data in the Bathymetry Solution, allows you to leverage the capabilities of the entire ArcGIS platform to get the most out of your data.
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