This report presents the results and methodology of an intense study of rainfall frequency
relationships throughout the Midwest (Illinois, Indiana, Iowa, Kentucky, Michigan, Minnesota …

This document provides the best available in formation on the time-distribution
characteristics of heavy rainstorms at a point and on small basins in Illinois and the Midwest …

This study aims at deriving intensity-duration-frequency (IDF) curves from bivariate rainfall
frequency analysis using the copula method, which does not assume the rainfall variables to …

Continued inputs of fertilizer and manure in excess of crop requirements have led to a build‐
up of soil phosphorus (P) levels and increased P runoff from agricultural soils. The …

Characteristics of heavy rainfall events are important in the design of water-handling
structures, agriculture, weather modification, and in monitoring climate change. Traditionally …

Page 1 USGS 184 for a changing world 1.42/4:00-4184 Monograph Stacks cooperation with the
Illinois Department of Natural Resources, Office of Water Resources 624-B FEB 02 2001 quations …

Studies of metal toxicity to microalgae have predominantly been conducted using single non-
target algae species and without due regard for the chemistry of the treated waters, leading …

The often observed processes involved in preferential water flow and chemical transport in
porous media appear to be realistically described using a dual-continuum (dual-porosity) …

Throughout much of the globe, rivers are used to dispatch treated and untreated wastewater
to the detriment of receiving ecosystems. Surprisingly, few studies directly relate water …

Many earlier developed and densely populated metropolises served by combined sewer
systems have been implementing additional stormwater control measures to reduce the …