A5032311533- Oceanographic and Atmospheric Processes
- Climate variability and models
- Coastal and Marine Management
- Coral and Marine Ecosystems Studies
- Marine and fisheries research
- Marine and coastal plant biology
- Pesticide Exposure and Toxicity
- Tropical and Extratropical Cyclones Research
- Marine and coastal ecosystems
- Environmental Toxicology and Ecotoxicology
- Pesticide and Herbicide Environmental Studies
- Climate change impacts on agriculture
- Plant Water Relations and Carbon Dynamics
- Marine Biology and Ecology Research
- Isotope Analysis in Ecology
- Coastal and Marine Dynamics
- Hydrology and Drought Analysis
- Meteorological Phenomena and Simulations
- Geology and Paleoclimatology Research
- Geophysics and Gravity Measurements
- International Maritime Law Issues
- Environmental and Cultural Studies in Latin America and Beyond
Universidad Nacional
2014-2024
CSIRO Oceans and Atmosphere
2014-2015
University of Tasmania
2014-2015
The calibration and validation of a hydrodynamic model for water level prediction over the Gulf Nicoya estuary using Delft3D-FM simulation environment developed by Deltares is shown. For environment, an irregular grid in three dimensions was used gulf region that contemplates shallow waters (less than 80 m). Calibration performed dry rainy seasons considering different variations input conditions consider river discharges, wind variation number layers vertical. Subsequently, stages involving...
Abstract Decadal salinity variability is an important characteristic of the ocean. It characterizes differences in evaporative and precipitation fluxes at surface, subsurface it contributes to steric sea level change freshwater/salt transports. In this paper, we identify describe westward moving decadally varying anomalies within thermocline tropical South Indian Ocean (SIO) based on ocean state estimates from Simple Data Assimilation version 2.2.4 (SODA). This signature expressed depth 20°C...
The Central American mid‐summer drought (MSD) is the decline of precipitation during middle wet season (July and August) over America southern Mexico. It affects agriculture favours initiation bushfires in Costa Rica's national parks, particularly El Niño years. MSD a seasonal phenomenon that varies intensity timing inter‐annually. Madden–Julian oscillation (MJO) has been shown to influence Rican rainfall on intra‐seasonal time scales, therefore may be important MSD. In this study we use...
Estimates of changes in upper ocean temperature, heat content, and sea level are dependent on the coverage subsurface observations space time. Historically, these data sparse, which has limited our understanding climate variability change mechanisms. Ocean state estimates, effectively represent a model synthesis integration available observations, including internal surface forcing, help to address inhomogeneity sparse Here we evaluate representativeness estimates from Simple Data...
Abstract Studies of decadal-to-multidecadal ocean subsurface temperature variability are fundamental to improving the understanding low-frequency climate signals. The present study uses Simple Ocean Data Assimilation (SODA) version 2.2.4 product for period 1950–2007 identify decadal modes that characterize upper Indo-Pacific structure (5–466-m depth). An empirical orthogonal function (EOF) analysis 10-yr low-pass filtered field applied across four depths shows dominant mode is characterized...
Introduction: The Gulf of Papagayo (GP) is a site socioeconomic importance located in the North Pacific Costa Rica. ecosystem services this represent benefit local communities, and its dynamics are influenced by coastal upwelling system that affects fishing commercial activity.
 Objective: objective study was to characterize spatio-temporal variability main hydrographic parameters through measurements situ during period 2017-2019.
 Methods: Eight measurement campaigns were carried...
In recent years, the northwestern part of North Pacific areas Costa Rica has undergone rapid socioeconomic development. This situation, combined with scarce available information about water quality Gulf Papagayo, became starting point to carry out a study investigate spatiotemporal variations physicochemical and biological parameters surface waters. Seven samplings were collected during dry season rainy from October 2016 February 2018. Water such as: temperature, salinity, dissolved oxygen,...
A razón de ampliar el conocimiento sobre la estructura y composición ictiofauna demersal en Pacífico Centroamérica, se realizó estudio muestras obtenidas 98 puntos arrastre efectuados con B/O Miguel Oliver entre 10 noviembre 16 diciembre 2010. Con una red tipo Lofoten, faenó por 30 minutos los ubicados según estratos profundidad (máxima 1 600 m). La muestra total (17 507 ejemplares) tuvo representación peces cartilaginosos óseos divididos 77 familias 158 especies. Dicrolene filamentosa...
El Golfo de Nicoya (GN) es uno los estuarios más grandes América Central. Este cuerpo agua presenta una dinámica circulación compleja y representa un área alta importancia pesquera comercial. objetivo este estudio fue caracterizar la variabilidad intra-anual parámetros oceanográficos en región interna del GN, Costa Rica. Se realizaron mediciones caudal profundidad utilizando correntímetros acústicos. obtuvieron perfiles verticales salinidad, temperatura, clorofila oxígeno estaciones a lo...
El Área Marina de Manejo bahía Santa Elena (BSE) es un sitio importante para las comunidades cercanas debido a su potencial turístico y pesquero. objetivo este trabajo comprender algunos aspectos la hidrografía BSE. Se establecieron dos transectos transversales al canal principal medición corrientes, temperatura, concentración clorofila, oxígeno disuelto, salinidad turbidez; además, se realizó levantamiento batimétrico del área. movimiento agua en BSE está influenciadas por batimetría;...
El Golfo de Papagayo (GP) posee una abundante riqueza biológica y debido al acelerado desarrollo turístico es vulnerable impacto actividades humanas. Un estudio hidrográfico del GP fundamental para velar por la buena salud este ecosistema. Se usaron datos perfiles verticales sonda (CTD) desplegada en 24 estaciones distribuidas todo el caracterizar las variaciones estacionales temperatura, salinidad, oxígeno disuelto, concentración clorofila-a turbidez los años 2017 2018. encontró un mínimo...
Centrada en 5°N-87°O, la Isla del Coco (IC) es el punto insular más al sur Océano Pacífico de República Costa Rica. En este estudio se analizan las principales características masas agua alrededor IC, así como los campos velocidad geostrófica para tres transeptos longitudinales. Para ello utilizó información obtenida durante un crucero hidrográfico llevado a cabo julio 2012 dentro proyecto denominado “Interacciones océano-atmósfera y biodiversidad marina Rica”.
Abstract The estuarine ecosystem of Laguna Madre de Dios (LMD), in the Caribbean coast Costa Rica, is exposed to contamination with pesticide residues coming from upstream agricultural areas. Biomarkers can provide a better indication fitness biota real mixture exposure scenarios than traditional lethal dose toxicity measurements. Here, we measured biomarkers biotransformation, oxidative stress and neurotoxicity on Astyanax aeneus , an abundant fish species LMD. Glutathione S-transferase...