Coding and Statistical Data
Coding & Statistical Capabilities at the MD-DE-DC Water Science Center
Calculating Water Science
Calculating Water Science
The MD-DE-DC WSC has long since been a leader in the fields of Coding and Statistical Data Science. Some of the most promising talent in water science is currently based here. From the application and customization of statistical applications to developing modules in-house, making sense of large datasets by applying various modeling and visualization techniques to demonstrate theories.
What the MD-DE-DC WSC is capable of doing within the realms Coding and Statistical Data...
Coding with R:
Statistics Web Service
Here is a sample of our exclusive USGS-based software:
- GNWISQ (Windows) Version 1.1, 2014/09/15
Obtaining and analyzing daily mean streamflow data from the U.S. Geological Survey National Water Information System Web Site: Get National Water Information System Streamflow (Q) files - HydroClimATe (WIN) Version 1.0.0, 2014/03/07
Computer program for assessing the relations among variable climatic and hydrologic time-series data - HyDroDSS (Windows) Version 1.0.0.0, 2014/03/27
Hydrologic Drought Decision Support System - JUPITER API (DOS/Win) Version 1.7.3, 2013/8/6
The Joint Universal Parameter IdenTification and Evaluation of Reliability Application Programming Interface - KTRLine (Win) Version 1.0, 2010/01/11
Kendall-Theil Robust Line - LOADEST (Linux/Unix/Win)
Homepage for LOADEST software distributed by the U.S. Geological Survey - MkDF (Windows) Version 1.0, 2009/12/15
Obtaining and analyzing daily mean streamflow data from the U.S. Geological Survey National Water Information System Web Site: Make U.S. Environmental Protection Agency DFLOW3 batch-input files - MkPP (Windows) Version 1.0, 2009/12/15
Obtaining and analyzing daily mean streamflow data from the U.S. Geological Survey National Water Information System Web Site: Make Plotting Position - NSS (Win) Version 6.1, 2017/01/10
National Streamflow Statistics program - OPR-PPR (Win/DOS) Version 1.01, 2016/01/31
A Computer Program for Assessing Data Importance to Model Predictions Using Linear Statistics - QSTATS (Windows) Version 1.1, 2014/09/15
Obtaining and analyzing daily mean streamflow data from the U.S. Geological Survey National Water Information System Web Site: Streamflow (Q) Statistics - SEDSIZE (DOS/DG/Sun) Version 1.9, 1997/06/02
Particle-size statistics of fluvial sediments - SELDM (Win) Version 1.0.0.0, 2013/03/27
Stochastic empirical loading and dilution model - SREF (Windows) Version 1.0, 2009/12/15
Obtaining and analyzing daily mean streamflow data from the U.S. Geological Survey National Water Information System Web Site: Streamflow Record Extension Facilitator - StreamStats (online) Version 2, 2011/01/07
StreamStats streamflow statistics web application - SWSTAT (DOS/Sun) Version 4.1, 2002/02/25
Surface-Water Statistics - USGS Library for S-PLUS (Win) Version 4.0, 2011/07/13
A collection of functions, dialogs, and datasets for use in hydrologic applications - WREG (Win) Version 1.05, 2013/05/08
Weighted-multiple-linear REGression
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Toward explaining nitrogen and phosphorus trends in Chesapeake Bay tributaries, 1992-2012
Understanding trends in stream chemistry is critical to watershed management, and often complicated by multiple contaminant sources and landscape conditions changing over varying time scales. We adapted spatially-referenced regression (SPARROW) to infer causes of recent nutrient trends in Chesapeake Bay tributaries by relating observed fluxes during 1992, 2002, and 2012 to contemporary inputs and
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Scott Ator, Ana M. Garcia, Gregory E. Schwarz, Joel Blomquist, Andrew Sekellick
Spatial and Temporal Patterns of Best Management Practice Implementation in the Chesapeake Bay Watershed, 1985–2014
Efforts to restore water quality in Chesapeake Bay and its tributaries often include extensive Best Management Practice (BMP) implementation on agricultural and developed lands. These BMPs include a variety of methods to reduce nutrient and sediment loads, such as cover crops, conservation tillage, urban filtering systems, and other practices.Estimates of BMP implementation throughout the Chesapea
Authors
Andrew J. Sekellick, Olivia H. Devereux, Jennifer L. D. Keisman, Jeffrey S. Sweeney, Joel D. Blomquist
Incorporation of water-use summaries into the StreamStats web application for Maryland
Approximately 25,000 new households and thousands of new jobs will be established in an area that extends from southwest to northeast of Baltimore, Maryland, as a result of the Federal Base Realignment and Closure (BRAC) process, with consequent new demands on the water resources of the area. The U.S. Geological Survey, in cooperation with the Maryland Department of the Environment, has extended t
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Kernell G. Ries, Marilee A. Horn, Mark R. Nardi, Steven Tessler