New Home for the Maid: Rockfalls, Talus, and the Race for a Dry Dock
The Maid of the Mist Corporation (MOTMC) has operated the iconic Maid of the Mist boats beneath Niagara Falls since the early 1900s. Traditionally, the company has provided trips from...
Rebuilding the Winter Garden
The terrorist attacks of September 11 partially destroyed the Winter Garden, a majestic public apace that connected the World Trade Center to the Hudson River waterfront on the perimeter...
Using Tracer Response Curves to Quantify Hydraulic and Channel Complexity of Prairie Creek, Northwestern California: Implications for Over Wintering Habitat for Juvenile Coho Salmon
This study measured and compared aspects of channel structural complexity with hydraulic complexity at a range of flows including winter storm flows. Five 200-meter reaches containing...
The SPRP Project: An Overview
The National Science Foundation's Office of Polar Programs (OPP), the lead agency for the U.S. Antarctic Program, has begun construction of a replacement station for the Amundsen-Scott...
The Rationale for Above-Surface Facilities
The redevelopment of the U.S. Amundsen-Scott South Pole Station�currently in the beginning phases of construction�will include the largest and most ambitious example of an elevated station...
The Construction Challenges
The varied SPRP construction and construction management complexities of the new South Pole are even more challenging because summer work must be carried out within a compressed window...
An Olympic Endeavor
Although some of the venues for the 2002 Winter Olympic Games in Salt Lake City, Utah, already exist, three sites in particular are either being built from scratch or will replace outdated...
Casting Hot and Cold
Contractors and engineers battled the Minnesota winter to build a concrete segmental bridge with form travelers. Superstructure segments were poured in temperatures as low as -19F, using...
Efficiency in the Bag
Heavy snowfalls made the existing water treatment plant at the Lassen Volcanic National Park in northern California inaccessible during winter months. As activity in the park during colder...
Preliminary Evaluation Findings for Ice Ban
Prepared by the Highway Innovative Technology Evaluation Center, a CERF Service Center. This report describes results obtained from the field evaluation...
Dormant Season Evaporation: Challenges to the Current Models
Dormant season evaporation is a critical component of the hydrologic balance and can be considered as the winter period or the time in which there is not a crop actively growing. It is...
Evaluation of Dormant Season Evapotranspiration
Water use during the dormant season is often considered to be insignificant in terms of the total water balance. Evapotranspiration was measured over three fields with different crop covers...
Flood Control Studies for Arizona Communities
Severe flooding in the winter of 1992/1993 produced severe flooding across the State of Arizona. Damages were widespread and significant. Total public and private damages are estimated...
How to Manage Floodwaves in the Dutch Meuse: Future Measures to Reduce the Inconvenience of Inundations
This study showed that in the Gravelmeuse the combination of nature development and reducing of inundation inconvenience is possible. In the framework of the obliged supply of a fixed...
The HEC NexGen Software Development Project
The NexGen project is developing successor software packages to the existing family of HEC computer programs. Development is occurring via teams comprised of technical specialists, computer...
Design and Testing of Two Ice-Preserving Winter Lake Aeration Systems
As part of an effort to achieve ice-preserving lake aeration for winterkill prevention, two non-mixing lake aeration systems were designed and field tested. Each creates a fish refuge...
Chicago's Waterfalls
The 1994 Outstanding Civil Engineering Achievement Award goes to successful implementation of an elegantly simple idea: aerate sluggish water by letting it fall through man-made waterfalls....
Winter Storm Mapping a Geographic Information Systems Transportation Applications
The Winter Storm Mapping System (WSMS) has grown out of our Geographic Information System for Transportation (GIS-T). The development of this project began the spring of 1991 on the State...
Impacts of Hydropower Operation on Water Supply from Lower Colorado River in Texas
The Lower Colorado River Authority (LCRA) of Texas is both a water and energy supplier to a large area of Central Texas. LCRA generates approximately 10 percent of its power from hydroelectric...
Wynoochee Lake and Dam?Flood Storage Reevaluation Study
With the desire to increase the revenue generating potential of the Wynoochee Lake and Dam Project the cities of Tacoma and Aberdeen, Washington, have pursued the potential for retro-fitting...
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