Rhythm of Beachrock Levels in Contrasting Plate Settings: Rifting Red Sea and North American-Caribbean Plates
Sequences of beachrocks have been compared from the northern Red Sea, the North American plate (north shore of Puerto Rico), and an island of the Caribbean plate. In all these areas the...
Leadership and Professional Development for Public Transportation
Since 1994 the Puerto Rico Department of Transportation and Public Works has collaborated with the University of Puerto Rico (UPR) and the Massachusetts Institute of Technology (MIT) in...
Sediment Impacts on Yield from a Two-Reservoir System in Puerto Rico
The Dos Bocas and Caonillas reservoirs in Puerto Rico are being considered for conversion from hydroelectric to water supply operation. Both reservoirs are approximately 50 years old and...
Puerto Rico Privatizes the Roads
The opening of Puerto Rico's Teodoro Moscoso Bridge in San Juan early in 1994 will usher in a new era of privately financed toll roads. The first product of the 1989 Private...
An Assessment of Fish Entrainment and Impingement Potential for an Offshore Cooling Water Intake in a Tropical Bay
Fish entrainment and impingement potential were assessed for a proposed cogeneration facility on the west coast of Puerto Rico that will withdraw cooling water using offshore intake structures....
Liquefaction Potential of Western Puerto Rico
The historical seismic record, paleoseismic evidence, high population density, time expired since the last major earthquake, and the presence of liquefiable sands and soft clays combine...
BRASS Modeling of Lo?za Reservoir, Puerto Rico, for Sediment Management Operations
Loiza reservoir, the principal water supply for metropolitan San Juan, delivers 3.5 m3/s (80 mgd) to the Sergio Cuevas filter plant. Sedimentation...
Hurricane Hugo's Effect on Marina Structures
The author has visited over twenty-five sites along the South Carolina coast and in Puerto Rico to ascertain the effects of Hurricane Hugo on marina facilities. Types of structures evaluated...
Hugo's Sturctural Damage in Puerto Rico
The results of a study of the wind damages caused by Hurricane Hugo is presented. Cases involving wood structures, industrial steel buildings, multistory reinforced concrete buildings,...
Lessons Learned by a Wind Engineer
Surface wind speeds during the passage of Hurricane Hugo through the U.S. Virgin Islands and Puerto Rico are described. Although damage to the affected areas was extensive, an assessment...
A Post Hurricane Hugo Transportation Study
Hurricane Hugo will remain in the minds of South Carolinians for many years to come. This hurricane attracted most of the world's attention in 1989 as it devastated every...
The Effect of Channelization of R?o Puerto Nuevo on Ground-Water Levels in the San Juan Metropolitan Area, Puerto Rico
Channelization and concrete lining of the Rio Puerto Nuevo and its tributaries in the San Juan Metropolitan area has been proposed to control flooding in low lying areas adjacent to the...
Procedures Used for Determining Water Rights on the Caribbean National Forest
In response to increasing demand, the Commonwealth of Puerto Rico enacted legislation requiring current users of water to file existing water uses. Application for water rights on the...
Plans for National Flood Frequency by Microcomputer
Work is underway on a planned microcomputer program that will include about 1500 prediction equations for 214 flood regions of the United States and Puerto Rico. The program will include...
Potassium Fertigation in Drip Irrigated Peppers in Puerto Rico
Three potassium fertigation rates (T1 = 100%, T2 = 60%, T3 = 30%) via trickle irrigation, fertilization rates (T4 = 100%, S1 = 100%, S2 = 50%, S3 = 0.0) and nonfertilization (T5 = 0.0)...
Water Requirements for Vegetable Production in Puerto Rico
Total water requirements of green beans, cabbage, carrots, cucumber, eggplant, lettuce, melons, okra, onion, potatoes, pumpkin, sweet peppers, sweet potato and tomatoes were estimated...
Computer Aided Hydraulic Design of Open Channels
Over a 10 year period, the computer program, WASURO, was developed by the U.S. Army Corps of Engineers District, Los Angeles (LAD), which utilized many of the criteria of the previously...
Computer Aided Hydraulic Design of Open Channels
The results of tests by the U.S. Army Corps of Engineers District, Los Angeles (LAD), became a major part of the Corps' EM 1110-2-1601, Hydraulic Design of Flood Control Channels....
Coastal Dunes for Protection and Sand Resources
Massive mining of dune sand on the north coast of Puerto Rico has impaired the natural ability of the dunes to protect the coast from high waves and long-term erosion. This paper presents...
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