Center the map where you want the center of your print, enter a title in the textbox and choose a page size for your print using the. Using arcgis for groundwater flownetsdirection geonet. Report detailed report with mounding input and results tabulated in convenient html format. Interactive map of groundwater levels and subsidence in. Susceptibility of groundwater to pollutants is defined here as the ease with which a contaminant can be transported from the land surface to the top of the groundwater called the water table. All aspects of 2d or 3d maps can be customized to produce exactly the presentation you want. Display your grid as outstanding contour, 3d surface, 3d wireframe, watershed, vector, image, shaded relief, and post maps. Groundwater elevation contour map drafting for remediation. In this video, you will learn how to open data, create a grid file, create a contour map, edit the contour properties, and save your files. A graphical and mapping interface for analysis of hydrologic data. What is a potentiometric map university of texas at austin. Notice carefully how the flow path crosses the water table contour lines at right angles. You will need to draw a water table contour map as part. A collection of screening level analytical flow and transport programs for homogeneous, isotropic flow fields, based on the american geophysical unions water resources monograph 10.
As such, a basic surface elevation map of the site was plotted using golden softwares contouring, gridding, and surface mapping software, surfer. Pennsylvania has more than a million domestic water wells, plus an unknown number of other types of water wells, boreholes, and springs. Groundwater is the sole source of freshwater supply in nassau and suffolk counties on long island. March 2009 the plss locations of many wells were found to be erroneous. Maps presented within this report will change with additional data from. Following is a list of groundwater data management and analysis tools. Using didger to digitize historic contour maps golden software. The potentiometric surface is the level to which water rises in a well. Weve found a few tools in the rockworks15 to be particularly helpful when creating contour maps of sparse groundwater elevation data first, lets take a look at a contour map created using the ezmap tool in the rockworks utilities the ezmap tool uses simple triangulation to create contours. Surfer is a very good and easy to use software for generating groundwater contour maps.
Surfer is a powerful, generalpurpose software package from golden software that is popular among geoscientists and engineers for contouring any type of environmental data such as elevations of groundwater or surface water, thickness of geologic units or floating product, and concentrations in groundwater, soil or air. The ezmap tool uses simple triangulation to create contours. Modeling groundwater resources in surfer characterizing groundwater resources is a critical step when analyzing potential mining areas. Water groundwater data management and analysis tools. From here i am looking for a way to create groundwater flow paths based off of the created equipotential flow lines.
You can interact with the contour plot just like any other microsoft excel plot. Groundwater flow, transport, and geochemical reactions, including. Ive not specifically worked with groundwater data, but ive used both surfer and arcgis for contour mapping. The right choice of contour interval depends on the goal of the mapping project. However, some world wide web browsers automatically uncompress retrieved files. Viewer for scanned hydrogeology maps of the uk british. Locations were only checked for areas where contours appears spurious it was not possible to quality control the locations of all wells under the scope and budget for this task. Related to this element of subjectivity is the fact that the fidelity of a contour map depends in large part on the distribution of spot. To use the map, click on a monitoring well to get a measured depth to water, or click elsewhere on the map to get an estimated depth to water. Although the groundwater information is outdated, it does provide historic groundwater levels of the groundwater resources in saskatchewan. Contouring sparse data in any mapping program can be challenging. Need help to create ground water level contour map using arcgis 10 by localcalls, october 18, 20 in analysis and geoprocessing need help to create ground.
Groundwater contours form a v, pointing upstream when they cross a gaining stream. If you want to have the contour maps as an individual layer e. Groundwater age mixtures and contaminant trends tool is an interactive educational webtool illustrating effects of groundwater age distributions on nonpointsource contamination responses of wells and groundwater discharges. Water table contour map wcm and seasonal probable problematic areas map pam. Water well and spring data are available through the pennsylvania groundwater information system pagwis, which is maintained by the dcnr bureau of geological survey. Jun 16, 2017 groundwater flow direction maps can be created by manually plotting water table elevation data onto the appropriate locations on the site plan, manually sketching contour lines, and then using a cad program to print out the final drawing. Wells can be drilled deep into the earth, shallow near the surface, or anywhere in between. Hydrogeologic mapping depth, important, types, system. Modeling groundwater resources in surfer golden software. Through the handout, students will learn how to draw ground water contours and will understand how ground water flow may be predicted.
To learn more about a particular item, click on the item name. Students should have a good understanding of topographic maps and contours. Once youve created a raster dataset, you can generate contour polylines from the raster at whatever interval you choose using spatial analyst tools surface contour. A vital component of the mining process, water is used for mineral processing, metal recovery, dust mitigation, and the basic needs for onsite workers. With regard to accuracy, thats going to be influenced mostly by factors other than whether you use surfer or arcgis. Arc hydro groundwater ahgw tools include groundwater analyst, modflow analyst, and subsurface analyst. These maps are available to the public upon request. These lines were created using my research data of hydraulic head values and elevation of the groundwater system. As an example, the contour map below shows the concentration of total dissolved solids tds around an injection well. Using known altitudes of the water table at individual wells a, contour maps of the watertable surface can be drawn b, and directions of groundwater flow along the water table can be determined c because flow usually is approximately perpendicular to the contours. There are several different ways to show groundwater contours. A water table map represents the surface of an unconfined aquifer as represented by elevation contours.
Be sure students have read getting up to speed for this section and are familiar with the material in the activi. This software and related material data and documentation are made. They essentially represent elevations in the subsurface. Is a groundwater contour map plotted on a topographic map or a plain or tracing paper. Adjust interpolation and gridding parameters, assess the spatial continuity of data with variograms, define faults and breaklines, or perform grid calculations such as volumes, transformations, smoothing, or filtering. Groundwater flow is interpreted to be perpendicular to the contour. For more information about the product, click on the product name. Hydrogeologists install monitoring wells to better understand where the water is beneath the surface. The free software foundations gunzip is necessary to uncompress the unix tar files available below. Pulse win, 20070129 modelestimated groundwater recharge and hydrograph of groundwater discharge to a.
Arc hydro groundwater by aquaveo, llc formerly environmental modeling systems, inc. Following is a list of freeware that provides tools for modeling groundwater flow and contaminant fate and transport. History of monitoring and mapping groundwater levels in the early 1940s, the usgs, in cooperation with mgs, began systematic monitoring of groundwater levels in the aquia, magothy, lower patapsco, upper patapsco, and patuxent aquifers, in order to evaluate the effects of groundwater production. Weve found a few tools in the rockworks15 to be particularly helpful when creating contour maps of sparse groundwater elevation data. Groundwater depth map highlighting three distinct groundwater regions. Contour plotting contour plotting is available in both 2d and 3d graphs. Nov 09, 2015 this 9 minute video produced by golden software explains how to create and edit contour maps using surfer.
Groundwater elevation contour maps are also part of groundwater remediation and monitoring reports. Learn how gmus are defined in other jurisdictions identify advantages and disadvantages. Thus, running gunzip as stated in the installation instructions may be unnecessary. Aquiferwin32 has been chosen by the environment agency in england. Jul 26, 2016 modeling groundwater resources in surfer golden software blog helping you learn more about the latest product information, tips, tricks, techniques, and customer stories so you can visualize data and communicate results with ease. Preliminary groundwater elevation contour maps history this report contains the initial attempt to establish groundwater elevation contour maps for the sunrise mountain landfill. Water table contour lines can be used to inform which manner groundwater will. Display contour maps over any contour range and contour interval, or specify only the contour levels you want to display on. However, it will often be necessary to create gridbased maps with smoother contour lines that extend to the edge of the project. Online sales of a wide range of groundwater sampling equipment including ysi 556, and solinst levelogger including software such as modflow, rbca tool kit, hydrus, surfer 9, and groundwater vistas. Creating grid files and contour maps surfer 8 youtube. You can accept the surfer intelligent defaults to automatically create a contour map, or doubleclick a map to easily customize map features. Groundwater information center interactive map application. Display contour maps over any contour range and contour interval, or specify only the contour levels you want to display on the map.
Tips for creating contour maps of sparse groundwater elevation. By localcalls, october 18, 20 in analysis and geoprocessing. Need help to create ground water level contour map using. Hydraulic head and the direction of groundwater flow. To find the elevation of the water table, you need to subtract the depth to groundwater from the elevation of the top of the well. The ground elevation was surveyed at the top of each monitoring well. To learn more about the developer, click on the company name. Made by golden software, surfer software is perfect for contouring, interpolation, mapping, groundwater modeling, gridding method, kriging and making contour maps.
Interactive map of groundwater levels and subsidence in california pdf version the california department of water resources has created an interactive map that shows geospatially referenced groundwater levels, groundwater table elevation, and subsidence in california. A contour map is a twodimensional representation of a threedimensional flow field, and as such, it has limitations. Surfer contouring software a powerful contour and 3d surface mapping and. Modeling groundwater resources in surfer success stories. Created equipotential flow lines using the contour function in arcgis. Data collected during the spring of 2014 as part of an existing usgs hydrologic monitoring program will be used to construct a 2014 waterlevel contour map for the antelope valley groundwater basin and will be published by the usgs in 2015. First, make sure you have and have enabled the spatial analyst extension in arcgis customize menu extensions check. Contouring the water table is the surface of the saturated zone, below which all soil pores or rock fractures are filled with water. Contouring by hand the nature of geographic information. In general, contour intervals increase in proportion to the variability of the. This memo describes the methodology to generate the map and recommendations for future refinement of the contours.
In this study, watmapgis creating of the groundwater maps using. Groundwater contours bend downstream when they cross a losing stream. How to generate water table map using groundwater level data. The elevation of the water table is determined at several locations throughout the area of interest. Have a look at the urls below for a range of treatments. They are given instructions on how to rasterize the point data to create a contour map of the water table surface and are then shown how to create flow lines. Hi, surfer is a very good and easy to use software for generating groundwater contour maps. For groundwater potentiometric surface is a synonym of piezometric surface which is an imaginary surface that defines the level to which water in a confined aquifer would rise were it completely pierced with wells.
Gis mapping software providing gis software, data and services for less, enabling. Internet software resources links to sites on the internet that contain scientific, webrelated, and miscellaneous software. Groundwater elevation data are provided in ms excel format, including the following information. Construction of water table contour map and geo hydrological. Please note, as for now, the drawing below is square and you may want to stretch it to cover the actual area in a map. This software and related material data and documentation are made available by the u. For some data sets, this may be all you need to create a reasonable looking map. Oct 18, 20 need help to create ground water level contour map using arcgis 10. In preparing of watertable contour map wcm, irrigation project boundary. Contour plots can be based on tabular data or mathematical expressions within the same graph, and the contour plot data can lie on a regular grid or at random x, y points. The depth to groundwater was measured in nine monitoring wells. This page will walk you through a methodical approach to rendering contour lines from an array of spot elevations rabenhorst and mcdermott, 1989. If the value of his variable in an aquifer, a contour map may be made showing lines of equal values of h equipotential lines. Groundwater hydrology of springs, 2010 related terms.
And with surfer 12 software s easy map contouring you can add color fill between contours to produce dazzling displays of your maps or groundwater modeling, or produce gray scale fills for dramatic black and white. Surfer software s contour maps give you full control over all map parameters. It consists of five simulation programs in fortran and two prepostprocessors in microsoft basic. Todd 1959 asserts that under steady state conditions, flow lines lie perpendicular to water table contours. Such a map is similar to topographic map of the landsurface elevation. It creates a 3d map or a contour chart from the scattered points, numerical arrays or other data sets. Aquiferwin32 is a software system for analysis and display of aquifer test results. Seepage lake elevation data from the sand hills of nebraska is used to construct a water table map and flow net using esris arcmap software. Groundwater management policies and tools groundwater management units gmus how do we identify and manage groundwater use within watersheds defined by surface water contours. This 9 minute video produced by golden software explains how to create and edit contour maps using surfer. Using gis to construct water table maps and flow nets. A teachers copy of the correct ground water contour map is included with this activity. Surfer 14 3d contouring and surface modeling software scientific software group is the premier provider of groundwater software, environmental software. Long islands aquifer system consists of a series of gently sloping pleistocene glacial, glaciofluvial, and glaciolacustrine deposits and cretaceous fluvial or deltaic deposits of.
Groundwater is monitored and observed through the use of monitoring wells and water quality samples. Protecting groundwater in wisconsin through comprehensive. A waterlevel contour map is a common tool used by a hydrogeologist to indicate groundwater flow directions and to test the continuum approach. To download a software product or visit an interactive web site, click on download or view, respectively. A groundwater contour map was generated for wria 4450 using publically available information and previous wria 4450 investigations. Free software and shareware links to sites of interest to geoprofessionals. Water table contour lines or flow lines are similar to topographic lines on a map.
The perth groundwater map is a source of easily accessible groundwater information to help drillers, irrigators and householders, when determining locations and depths needed to drill to install a garden bore in the perth metropolitan area as well as the depth to groundwater, the atlas shows. Geological mapping and 3d model of deposits that host groundwater systems in the fargomoorhead region, minnesota and north dakota mgs this report, accompanying maps and 3d model depict the sediments and rocks that host groundwater systems across this region. Scientific software group groundwater, surfacewater, air quality. Contouring, graphing, logging, digitizing, and mapping software. The groundwater flow direction map is a contour plot of the water table elevation data from each well. Their task is to create a flow net that they will use to determine areas of groundwater recharge and discharge. By mapping the spatial distribution of geologic material with distinctive permeability, the hydrogeologist.
The blue arrow on the map below represents the flow path of the contaminant if it is not removed from the ground. Groundwater data viewer texas water development board. Apr 02, 2008 in this video, you will learn how to open data, create a grid file, create a contour map, edit the contour properties, and save your files. Hydrogeologic mapping is a method of gathering and evaluating geological information to create a threedimensional depiction of the subsurface material in which groundwater occurs. Ground water moves through the subsurface much like water on the ground surface, except that it travels a great deal more slowly. Includes the hydrographanalysis programs bfi, hysep, part, and rora with recess. The software component swlib and others are available. If the potentiometric surface lies above the ground surface, a flowing artesian well results. In a confined aquifer this surface is above the top of the aquifer unit. Monitoring wells are typically used to determine the elevation of the water table.
Many materials that overlie the groundwater offer good protection from contaminants that might be transported by infiltrating waters. Like topographic map contours, water table contours represent lines of equal elevation. Select the map you want to view using either the map based key below or choose from the list of maps to the right. Potentiometric surface and waterlevel difference maps of. In order to define groundwater flow directions and rates through aquifers, individual measurements of hydraulic head are combined to generate contour maps of water level or potential energy figure 29. Waterlevel contour map of the antelope valley groundwater. Contour plot contour plot of watertable rise due to mounding with heat map shading. This map uses a minimum of three groundwater level measurements from wells or surface water proximal to each other, according to the united states environmental protection agency. First, lets take a look at a contour map created using the ezmap tool in the rockworks utilities.
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