Michael E Wieczorek
Michael Wieczorek is a Geographer/GIS specialist for the Water Mission Area's Data Driven Drought Prediction Program and the National Hydrologic Geospatial Fabric Team.
Michael Wieczorek holds a B.S. in Geography from Towson State University (1991). He joined the U.S. Geological survey in 1992 as a GIS specialist for the National Water Quality Program working in that capacity to 2016. He is currently a GIS specialist for the Water Mission Area's Data Driven Drought Prediction Program and the National Hydrologic Geospatial Fabric Team.
Professional Experience
During his 28 year USGS career, Mike has provided GIS technical support applying his spatial skills to projects ranging in scale from local water-quality studies to landscape characterization for national-scale analysis and modeling.
Education and Certifications
M.S. Program in Geography (attended), University of Wisconsin at Milwaukee, 1992-1993
M.S. Program in Geography (attended), Watershed Analysis and Spatial Analysis, University of Nebraska-Lincoln
B.S. in Geography and History, Towson University, 1991
Science and Products
Filter Total Items: 26
Streamflow input datasets and model results using the Weighted Regressions on Time, Discharge, and Season (WRTDS) Models to estimate total organic carbon and other constituent concentrations in eight rivers in Connecticut, water years 1973 to 2019 Streamflow input datasets and model results using the Weighted Regressions on Time, Discharge, and Season (WRTDS) Models to estimate total organic carbon and other constituent concentrations in eight rivers in Connecticut, water years 1973 to 2019
This data release provides data in support of an assessment of changes in slope of the concentration-discharge relation for total organic carbon in eight major rivers at gaging stations in Connecticut from October 1972 to September 2019 (U.S. Geological Survey water years 1973 to 2019). The rivers include the Connecticut at Thompsonville (01184000), Housatonic at Stevenson (01205500)...
Dam impact/disturbance metrics for the conterminous United States, 1800 to 2018 Dam impact/disturbance metrics for the conterminous United States, 1800 to 2018
This metadata record describes two metrics that quantitatively measure the impact of reservoir storage on every flowline in the NHDPlus version 2 data suite (NHDPlusV2) for the conterminous United States. These metrics are computed for every 10 years from 1800 - 2015. The first metric (DamIndex_EROM.zip) estimates reservoir storage intensity in units of days based on reservoir storage in...
Select Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Network Routed Upstream Watersheds for the Conterminous United States (ver. 5.0, June 2025) Select Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Network Routed Upstream Watersheds for the Conterminous United States (ver. 5.0, June 2025)
This metadata record describes a series of data sets of natural and anthropogenic landscape features linked to NHDPlus Version 2.1’s (NHDPlusV2) approximately 2.7 million stream segments, their associated catchments, and their upstream watersheds within the conterminous United States. The data were linked to four spatial components of NHDPlusV2: individual reach catchments, riparian...
Percent of Agriculture Land Subject to Select National Resource Inventory Conservation Practices, 2000-2012 Percent of Agriculture Land Subject to Select National Resource Inventory Conservation Practices, 2000-2012
This metadata record describes 26 30-meter raster data sets that estimate the percent of agricultural land that may be subject to select conservation practices for each year during the period 2000-2012. The data were derived from U.S. Department of Agriculture (USDA) National Resources Conservation Service (NRCS) National Resource Inventory (NRI). One set of rasters (denoted by the ICP...
30 year (1981-2010) average of annual maximum duration of consecutive dry and wet days per event for the Conterminous United States and District of Columbia 30 year (1981-2010) average of annual maximum duration of consecutive dry and wet days per event for the Conterminous United States and District of Columbia
This metadata record describes the average of annual maximum duration of consecutive dry and wet days per event, where precipitation totals are 0 or equal and exceeds 1 millimeters respectively, during the 30-year period 1981 - 2010 for the conterminous United States. A wet event is defined as a period when the number of consecutive days with precipitation equals or exceeds 1 millimeter...
Area and depth-weighted average of soil pH from STATSGO2 for the conterminous United States and District of Columbia Area and depth-weighted average of soil pH from STATSGO2 for the conterminous United States and District of Columbia
This dataset consists of a 100 meter resolution raster of depth and area weighted averages for soil pH for each map unit key (MUKEY) in the U.S. Department of Agriculture, Natural Resources Conservation Service's (NRCS) State Soil Geographical (STATSGO2) database (NRCS, 2016). This raster was developed from selected criteria of soil parameters from the STATSGO2 database and mapped to...
30 year (1981 - 2010) annual average of daily intensity of precipitation for a rain event for the Conterminous United States and District of Columbia 30 year (1981 - 2010) annual average of daily intensity of precipitation for a rain event for the Conterminous United States and District of Columbia
This metadata record describes the average daily precipitation intensity for rain events during the 30-year period 1981-2010 for the conterminous United States. A rain event is defined as a period when the number of consecutive days with precipitation equals or exceeds 1 millimeter. Daily precipitation intensity is defined as the amount of precipitation over the duration of a rain event...
30 year (1981 - 2010) annual average duration of consecutive dry and wet days for the Conterminous United States and District of Columbia 30 year (1981 - 2010) annual average duration of consecutive dry and wet days for the Conterminous United States and District of Columbia
This metadata record describes the annual average duration of consecutive wet and dry events during the 30-year period 1981-2010 for the conterminous United States. A wet event is defined as a period when the number of consecutive days with precipitation equals or exceeds 1 millimeter. A dry event is defined as a period when the number of consecutive days with precipitation equals 0...
30 year (1981 - 2010) annual average number of occurrences of dry and wet events for the Conterminous United States and District of Columbia 30 year (1981 - 2010) annual average number of occurrences of dry and wet events for the Conterminous United States and District of Columbia
This metadata record describes the annual average number of occurrences of dry and wet events during the 30-year period 1981-2010 for the conterminous United States. A wet event is defined as a period when the number of consecutive days with precipitation equals or exceeds 1 millimeter. A dry event is defined as a period when the number of consecutive days with precipitation equals 0...
Summary of basin characteristics for National Hydrography Dataset, version 2 catchments in the southeastern United States, 1950 - 2010 Summary of basin characteristics for National Hydrography Dataset, version 2 catchments in the southeastern United States, 1950 - 2010
This dataset provides numerical and categorical descriptions of 46 basin characteristics for 957 basins with observed streamflow information and 9,314 ungaged basins coinciding with 12-digit hydrologic unit code pour points that drain to the Gulf of Mexico. Characteristics are indexed by National Hydrography Dataset (NHD) version 2 COMID and USGS site number (streamflow-gaging station)...
Database of modified routing for NHDPlus version 2.1 flowlines: ENHDPlusV2_us Database of modified routing for NHDPlus version 2.1 flowlines: ENHDPlusV2_us
This database (ENHDPlusV2_us) contains a topologically reconditioned (enhanced) version of the U.S. Environmental Protection Agency (USEPA) and the U.S. Geological Survey (USGS) NHDPlus Version 2.1 (NHDPlusV2) flowline network. The comma separated file included in this release contains routing and stream connection information, with the intention of improving accuracy and networking...
Data Release for: Empirical Models for Estimating Baseline Streamflows in California and their Likelihood of Anthropogenic Modification Data Release for: Empirical Models for Estimating Baseline Streamflows in California and their Likelihood of Anthropogenic Modification
The dataset contain estimates of natural monthly streamflow for 135,118 stream segments in California, USA, from 1950 to 2012. Segments are identified per the medium resolution National Hydrography Dataset (NHD), Version 1. The dataset also contains observed monthly streamflows and estimates of natural monthly streamflows for 894 USGS stream gages in California, USA.
Michael Weiczorek has written or contributed to many publications for the USGS. The contents here represent some of his work.
Filter Total Items: 13
National water-quality assessment of the Lake Erie-Lake St. Clair Basin, Michigan, Indiana, Ohio, Pennsylvania, and New York — Environmental and hydrologic setting National water-quality assessment of the Lake Erie-Lake St. Clair Basin, Michigan, Indiana, Ohio, Pennsylvania, and New York — Environmental and hydrologic setting
The Lake Erie-Lake St. Clair Basin covers approximately 22,300 mi2 (square miles) in parts of Indiana, Michigan, Ohio, Pennsylvania, and New York. Situated in two major physiographic provinces, the Appalachian Plateaus and the Central Lowland, the basin includes varied topographic and geomorphic features that affect the hydrology. As of 1990, the basin was inhabited by approximately 10.4...
Authors
G. D. Casey, Donna N. Myers, D. P. Finnegan, Michael E. Wieczorek
Science and Products
Filter Total Items: 26
Streamflow input datasets and model results using the Weighted Regressions on Time, Discharge, and Season (WRTDS) Models to estimate total organic carbon and other constituent concentrations in eight rivers in Connecticut, water years 1973 to 2019 Streamflow input datasets and model results using the Weighted Regressions on Time, Discharge, and Season (WRTDS) Models to estimate total organic carbon and other constituent concentrations in eight rivers in Connecticut, water years 1973 to 2019
This data release provides data in support of an assessment of changes in slope of the concentration-discharge relation for total organic carbon in eight major rivers at gaging stations in Connecticut from October 1972 to September 2019 (U.S. Geological Survey water years 1973 to 2019). The rivers include the Connecticut at Thompsonville (01184000), Housatonic at Stevenson (01205500)...
Dam impact/disturbance metrics for the conterminous United States, 1800 to 2018 Dam impact/disturbance metrics for the conterminous United States, 1800 to 2018
This metadata record describes two metrics that quantitatively measure the impact of reservoir storage on every flowline in the NHDPlus version 2 data suite (NHDPlusV2) for the conterminous United States. These metrics are computed for every 10 years from 1800 - 2015. The first metric (DamIndex_EROM.zip) estimates reservoir storage intensity in units of days based on reservoir storage in...
Select Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Network Routed Upstream Watersheds for the Conterminous United States (ver. 5.0, June 2025) Select Attributes for NHDPlus Version 2.1 Reach Catchments and Modified Network Routed Upstream Watersheds for the Conterminous United States (ver. 5.0, June 2025)
This metadata record describes a series of data sets of natural and anthropogenic landscape features linked to NHDPlus Version 2.1’s (NHDPlusV2) approximately 2.7 million stream segments, their associated catchments, and their upstream watersheds within the conterminous United States. The data were linked to four spatial components of NHDPlusV2: individual reach catchments, riparian...
Percent of Agriculture Land Subject to Select National Resource Inventory Conservation Practices, 2000-2012 Percent of Agriculture Land Subject to Select National Resource Inventory Conservation Practices, 2000-2012
This metadata record describes 26 30-meter raster data sets that estimate the percent of agricultural land that may be subject to select conservation practices for each year during the period 2000-2012. The data were derived from U.S. Department of Agriculture (USDA) National Resources Conservation Service (NRCS) National Resource Inventory (NRI). One set of rasters (denoted by the ICP...
30 year (1981-2010) average of annual maximum duration of consecutive dry and wet days per event for the Conterminous United States and District of Columbia 30 year (1981-2010) average of annual maximum duration of consecutive dry and wet days per event for the Conterminous United States and District of Columbia
This metadata record describes the average of annual maximum duration of consecutive dry and wet days per event, where precipitation totals are 0 or equal and exceeds 1 millimeters respectively, during the 30-year period 1981 - 2010 for the conterminous United States. A wet event is defined as a period when the number of consecutive days with precipitation equals or exceeds 1 millimeter...
Area and depth-weighted average of soil pH from STATSGO2 for the conterminous United States and District of Columbia Area and depth-weighted average of soil pH from STATSGO2 for the conterminous United States and District of Columbia
This dataset consists of a 100 meter resolution raster of depth and area weighted averages for soil pH for each map unit key (MUKEY) in the U.S. Department of Agriculture, Natural Resources Conservation Service's (NRCS) State Soil Geographical (STATSGO2) database (NRCS, 2016). This raster was developed from selected criteria of soil parameters from the STATSGO2 database and mapped to...
30 year (1981 - 2010) annual average of daily intensity of precipitation for a rain event for the Conterminous United States and District of Columbia 30 year (1981 - 2010) annual average of daily intensity of precipitation for a rain event for the Conterminous United States and District of Columbia
This metadata record describes the average daily precipitation intensity for rain events during the 30-year period 1981-2010 for the conterminous United States. A rain event is defined as a period when the number of consecutive days with precipitation equals or exceeds 1 millimeter. Daily precipitation intensity is defined as the amount of precipitation over the duration of a rain event...
30 year (1981 - 2010) annual average duration of consecutive dry and wet days for the Conterminous United States and District of Columbia 30 year (1981 - 2010) annual average duration of consecutive dry and wet days for the Conterminous United States and District of Columbia
This metadata record describes the annual average duration of consecutive wet and dry events during the 30-year period 1981-2010 for the conterminous United States. A wet event is defined as a period when the number of consecutive days with precipitation equals or exceeds 1 millimeter. A dry event is defined as a period when the number of consecutive days with precipitation equals 0...
30 year (1981 - 2010) annual average number of occurrences of dry and wet events for the Conterminous United States and District of Columbia 30 year (1981 - 2010) annual average number of occurrences of dry and wet events for the Conterminous United States and District of Columbia
This metadata record describes the annual average number of occurrences of dry and wet events during the 30-year period 1981-2010 for the conterminous United States. A wet event is defined as a period when the number of consecutive days with precipitation equals or exceeds 1 millimeter. A dry event is defined as a period when the number of consecutive days with precipitation equals 0...
Summary of basin characteristics for National Hydrography Dataset, version 2 catchments in the southeastern United States, 1950 - 2010 Summary of basin characteristics for National Hydrography Dataset, version 2 catchments in the southeastern United States, 1950 - 2010
This dataset provides numerical and categorical descriptions of 46 basin characteristics for 957 basins with observed streamflow information and 9,314 ungaged basins coinciding with 12-digit hydrologic unit code pour points that drain to the Gulf of Mexico. Characteristics are indexed by National Hydrography Dataset (NHD) version 2 COMID and USGS site number (streamflow-gaging station)...
Database of modified routing for NHDPlus version 2.1 flowlines: ENHDPlusV2_us Database of modified routing for NHDPlus version 2.1 flowlines: ENHDPlusV2_us
This database (ENHDPlusV2_us) contains a topologically reconditioned (enhanced) version of the U.S. Environmental Protection Agency (USEPA) and the U.S. Geological Survey (USGS) NHDPlus Version 2.1 (NHDPlusV2) flowline network. The comma separated file included in this release contains routing and stream connection information, with the intention of improving accuracy and networking...
Data Release for: Empirical Models for Estimating Baseline Streamflows in California and their Likelihood of Anthropogenic Modification Data Release for: Empirical Models for Estimating Baseline Streamflows in California and their Likelihood of Anthropogenic Modification
The dataset contain estimates of natural monthly streamflow for 135,118 stream segments in California, USA, from 1950 to 2012. Segments are identified per the medium resolution National Hydrography Dataset (NHD), Version 1. The dataset also contains observed monthly streamflows and estimates of natural monthly streamflows for 894 USGS stream gages in California, USA.
Michael Weiczorek has written or contributed to many publications for the USGS. The contents here represent some of his work.
Filter Total Items: 13
National water-quality assessment of the Lake Erie-Lake St. Clair Basin, Michigan, Indiana, Ohio, Pennsylvania, and New York — Environmental and hydrologic setting National water-quality assessment of the Lake Erie-Lake St. Clair Basin, Michigan, Indiana, Ohio, Pennsylvania, and New York — Environmental and hydrologic setting
The Lake Erie-Lake St. Clair Basin covers approximately 22,300 mi2 (square miles) in parts of Indiana, Michigan, Ohio, Pennsylvania, and New York. Situated in two major physiographic provinces, the Appalachian Plateaus and the Central Lowland, the basin includes varied topographic and geomorphic features that affect the hydrology. As of 1990, the basin was inhabited by approximately 10.4...
Authors
G. D. Casey, Donna N. Myers, D. P. Finnegan, Michael E. Wieczorek