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A Collaborative Effort Between Caribbean States for Tsunami Numerical Modeling: Case Study CaribeWave15
(Pure and Applied Geophysics vol.175 no.2 1405-1428 2017, 2017)Historical records have shown that tsunami have affected the Caribbean region in the past. However infrequent, recent studies have demonstrated that they pose a latent hazard for countries within this basin. The Hazard ... -
An evaluation of variables affecting the stability and performance of down-flow anaerobic fixed bed reactors treating piggery wastewater
(Taylor & Francis, 2006)The influence of the most important variables on the stability and performance of down-flow anaerobic fixed bed reactors treating piggery wastewater after primary sedimentation was evaluated at HRT in the range of 1-6 d ... -
Characteristic atmospheric states during mid‑summer droughts over Central America and Mexico
(Springer, 2020-05-10)Annual precipitation over Central America and large areas of Mexico is typically characterised by its bimodal distribution, with a precipitation minimum in July to August that occurs between two separate maxima from May ... -
Characterization of the VARIAN®PaxScan 2020+ flat panel detector for quantitative X-ray imaging
(X-Ray Spectrometry vol.45 no.3 169-175 2016, 2016-02-19)In this work, the response of the VARIAN® PaxScan 2020+ flat panel detector was characterized in terms of spatial resolution and uniformity across the detection area along with detection efficiency for photon beams from ... -
Coastal currents in the Eastern Gulf of Tehuantepec from coastal altimetry
(Advances in Space Research, 2018-06-02)we study the seasonal and interannual variability of the coastal currents along the eastern shelf of the Gulf of Tehuantepec. We use sea level from coastal altimetry distributed by the Centre de Topographie des Oceans et ... -
Comparative Study Of Conventional And Sbci Cardboard Solar Ovens
(Elsevier, 1992)Two folding and light solar ovens designed and constructed by Solar Box Cookers International (SBCI), Sacramento, U.S.A., have been studied experimentally. Furthermore, their performance is com pared with standard two ... -
Considerations for functional food design based on starch-protein interactions: a systematic review
(Taylor and Francis Ltd., 2021-03-26)This systematic review aims to discuss the considerations in the design of starch-based foods from protein interactions, according to their functional, technological, and nutritional effects. Thereof, a systematic search ... -
Deforestation processes in the livestock territory of La Vía Láctea, Matagalpa, Nicaragua
(Taylor and Francis Ltd., 2019-05-04)Land-use change is considered one of the main causes of environmental degradation. Thus, its analysis will allow stakeholders to make reasonable decisions for land management. The objective of the present study was ... -
Design, construction and experimental study of electric cum solar oven-II
(1989)As in many developing countries,35-401 of the population of Costa Rica still use firewood for domestic cooking.Considering the fact that Costa Rica is blessed with good sunshine,good hydroelectric potential,and there ... -
Design, construction and study of a hybrid solar food processor in the climate of Costa Rica
(Elsevier, 2007)During the last 25 years, the author has designed, constructed, studied and promoted solar oven, hybrid solar/electric oven, solar oven cum drier, solar cooker cum water heater and solar still. In different parts of the ... -
Dose-response of Fricke- and PAGAT-dosimetry gels in kilovoltage and megavoltage photon beams: Impact of LET on sensitivity
(Associazione Italiana di Fisica Medica, 2021-04-07)Purpose: Dosimetry of ionizing radiation quantifies the energy deposited by an incident beam to the medium. This study presents the relative response of two types of gel dosimeters describing their differences by estimating ... -
Economic Analysis Of Domestic Solar Still In The Climate Of Costa Rica
(Universidad Nacional (Costa Rica), 1990)-In many communities of the developing countries, including Costa Rica and especially in coastal areas, there exists a shortage of potable water. Taking into account the fact that transportation/distribution of potable ... -
Effectiveness of N-waves for predicting morphological changes due to tsunamis
(Elsevier, 2018)The research on morphological changes caused by tsunamis has increased considerably in the last few years, yet the processes behind this phenomenon are still not fully understood. This paper analyzes and compares numerical ... -
Experimental And Theoretical Analysis Of A Simple Solar Oven In The Climate Of Costa Rica - I
(Elsevier, 1988)Inexpensive and easy to fabricate solar ovens have been made with available materials. One reflector has also been mounted to increase the input radiation on the hot absorbing plate which can be adjusted manually according ... -
Experimental characterization and Monte Carlo simulations of the dose enhancement on the millimeter scale of PAGAT infused with gadolinium
(Elsevier Ltd, 2021-05-03)This study reports on the determination of the K-edge dose enhancement factor achieved in a polymer gel dosimeter based on acrylamide, known as PAGAT, infused with a high concentration of a clinical gadolinium-based compound. ... -
Feasibility of dose enhancement assessment: preliminary results by means of Gd-infused polymer gel dosimeter and Monte Carlo study
(Universidad Nacional (Costa Rica), 2018)This work reports the experimental development of an integral Gd-infused dosimeter suitable for Gd dose enhancement assessment along with Monte Carlo simulations applied to determine the dose enhancement by radioactive ... -
Influence of substrate temperature on phase formation in Al-Cr thin films
(Universidad Nacional, Costa Rica, 2000)Thin films (of the order of nm) of Al-Cr alloys were prepared by successive depositions by an electron gun in a vacuum chamber. Three Al and two Cr layers, of thicknesses as to yield the final composition, were de posited ... -
Influence of the Madden–Julian oscillation on Costa Rican mid-summer drought timing
(John Wiley and Sons Ltd, 2019)The Central American mid-summer drought (MSD) is the decline of precipitation during the middle of the wet season (July and August) over Central America and southern Mexico. It affects agriculture and favours the initiation ... -
M2 Currents And Residual Flow In The Gulf Of California
(Elsevier, 1992)The full nonlinear, vertically-averaged equations of motion are time integrated through a finite difference scheme on a regular grid that reproduces the topography of the Gulf of Califor nia with a mesh size of 14 ... -
Modeling a tsunami from the Nicoya, Costa Rica, seismic gap and its potential impact in Puntarenas
(Journal of South American Earth Sciences .Vol.31 No.4 372-382, 2011)Although subduction zones around the world are known to be the source of earthquakes and/or tsunamis, not all segments of these plate boundaries generate destructive earthquakes and catastrophic tsunamis. Costa Rica, in ...