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Water Level Measurements; Gensburg Markham Prairie; 2016-2017

Authors: Liliana Maria Hernandez · Vivien Rivera · Colin B Phillips · William M. Miller · Aaron I. Packman
Owners: Vivien Rivera · Liliana Hernandez
Resource type:Time Series
Created:Sep 18, 2017 at 6:31 p.m.
Last updated: Sep 19, 2017 at 9:45 p.m. by Vivien Rivera


Gensburg Markham Prairie comprises over 100 acres of well-preserved tallgrass prairie and wetland south of Chicago and is one of the Indian Boundary Prairies in Illinois. A U.S. National Natural Landmark, this site is valuable as a sentinel ecosystem for changing regional climate and a reference ecosystem for restoration and management of urban prairie nature preserves. In June of 2016, 10 piezometers containing water level sensors (InSitu LevelTroll 400 pressure transducers) were installed throughout the prairie, in addition to 8 of the same sensors deployed in ditches and surface channels in and around the prairie. The installation coincided with soil sampling and manual-visual characterization at each well location. Each sensor collects a water level measurement every 30 minutes. This installation and sampling campaign is a part of larger effort to assess surface water and groundwater dynamics in urban environments. Additional sensors, including soil moisture and electrical conductivity probes and a rain gauge, provide supplementary data for this project. This resource includes one year of data, from the installation of the sensors to the same date the following summer, capturing the effects of an unusually warm winter in the Chicago metro with very little snow and no extreme temperatures.

Subject Keywords

nature preserve,water level,prairie,wetland,groundwater

How to cite

Hernandez, L. M., V. Rivera, C. B. Phillips, W. M. Miller, A. I. Packman (2017). Water Level Measurements; Gensburg Markham Prairie; 2016-2017, HydroShare, http://www.hydroshare.org/resource/4f1fb5bd6baa44b193183e381f36d2ed

This resource is shared under the Creative Commons Attribution CC BY.


Sharing status:

  • Discoverable Resource  Discoverable
  • Sharable Resource  Shareable



 Coordinate System/Geographic Projection:  WGS 84 EPSG:4326
 Coordinate Units:  Decimal degrees
Place/Area Name: Gensburg Markham Prairie

North Latitude
East Longitude
South Latitude
West Longitude


 Start Date:
 End Date:


  You do not have permission to see these content files. Please contact the Authors if you wish to obtain access.


The people or organizations that created the intellectual content of the resource.

Name Organization Address Phone Author Identifiers
Liliana Maria Hernandez Northwestern University Illinois, US 7875667237
Vivien Rivera
Colin B Phillips Northwestern University Illinois, US
William M. Miller Northwestern University
Aaron I. Packman Northwestern University


People or organizations that contributed technically, materially, financially, or provided general support for the creation of the resource's content but are not considered authors.

Name Organization Address Phone Author Identifiers
Karl J. Gnaedinger The Nature Conservancy of Illinois
Select a timeseries to see corresponding metadata (Number of timeseries:75):

Code WLS1
Name Water Level Surface 1
Elevation M 183.88645
Elevation Datum MSL
Site Type Ditch
Latitude 41.608188
Longitude -87.690351

Code elevation
Name Water level
Type Hydrology
No Data Value -9999
Definition Water level measured using water pressure at sensor elevation
Speciation Not Applicable

Code Suspended LevelTroll
Name InSitu LevelTroll 400 suspended above ground in ditch
Type Instrument deployment
Description Pressure measured at sensor tip in ditch, with sensor suspended from approximately 1.5 meter cable and exposed to the air, and used to calculate water level elevation with correction using InSitu BaroTroll measurements of surface atmospheric pressure and onboard temperature sensors

Processing Level
Code 1
Definition Quality Controlled Data
Explanation Automated quality control using Python scripting, followed by manual checking and flagging based on field observations; no data is removed, only flagged.

Time Series Result
Units Type Level
Units Name meters above MSL
Units Abbreviation m
Status Ongoing
Sample Medium Liquid aqueous
Value Count 17519
Aggregation Statistics Continuous
UTC Offset -5.0

Extended Metadata
Name Value
Sensor Locations (lat, long, ground elevation, sensor elevation) data_id,lat,long,ground_elev_m,sensor_elev_m WLW1,41.607313,-87.690286,184.8758304,183.9949584 WLW2,41.607279,-87.689271,184.8066408,183.9623448 WLW3,41.608026,-87.688241,184.8697344,183.8727336 WLW4,41.60669,-87.68806,184.751472,183.7767216 WLW5,41.607355,-87.686898,184.801764,183.806592 WLW6,41.607376,-87.685553,185.1032112,184.176924 WLW7,41.604864,-87.690424,186.0084672,185.077608 WLW8,41.605637,-87.689245,186.5638128,185.7320136 WLW9,41.606277,-87.688627,185.557668,184.6103496 WLW10,41.606655,-87.68218,185.1565512,184.2747648 WLS1,41.60818806,-87.69035055,183.8864496,184.0263528 WLS2,41.607271,-87.688062,184.6332096,184.6393056 WLS3,41.607755,-87.687445,184.1717424,184.247028 WLS4,41.60743483,-87.6862757,184.4545968,184.509156 WLS5,41.604509,-87.690874,185.3897232,185.4327 WLS6,41.60497,-87.68377,184.4030856,184.4570352 WLS7,41.606328,-87.684945,184.629552,184.6548504 WLS8,41.60824325,-87.68279613,183.6956448,183.876696


This resource was created using funding from the following sources:
Agency Name Award Title Award Number
NSF EAGER: FEW: Life cycle comparison of water, energy, nutrient, and carbon requirements of urban and conventional food production strategies EAR-1541891
NSF INSPIRE Track 1: Earthcasting fluvial systems: Physical, ecological, and biogeochemical dynamics EAR-1344280


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