Results 11 to 20 of about 300 (149)

Stable isotope tempestology of tropical cyclones across the North Atlantic and Eastern Pacific Ocean basins. [PDF]

Ann N Y Acad Sci
Tropical cyclones (TCs) are one of the major natural hazards to island and coastal communities and ecosystems. However, isotopic compositions of TC‐derived precipitation (P) in surface water (SW) and groundwater (GW) reservoirs are still lacking. We tested the three main assumptions of the isotope storm “spike” hypothesis (sudden spikes in isotopic ...
Sánchez-Murillo R, Herrera DA, Farrick KK, Esquivel-Hernández G, Sánchez-Gutiérrez R, Barberena-Moncada J, Guatemala-Herrera J, Flores-Meza Y, Cerón-Pineda R, Gil-Urrutia L, Cardona-Hernández J, Peña-Paz T, Hernández-Ortiz JO, Harrison-Smith W, Marshall G, Persoiu A, Pérez-Quezadas J, Mejía-González M, González-Hita L, de Calderón MB, García-Moya A, Hernández D, Welsh K, Price RM, Riveros-Iregui DA, Voarintsoa NRG, Bregy JC, Sánchez-Llull M, Alonso-Hernández C, Santos-García S, Durán-Quesada AM, Birkel C, Boll J, Cobb KM, Obando-Amador AF, Vargas-Azofeifa IM, Tetzlaff D, Soulsby C, Dee SG.   +38 more
europepmc   +2 more sources

Challenges and Experiences of Managed Aquifer Recharge in the Mexico City Metropolitan Area

Groundwater, Volume 60, Issue 5, Page 675-684, September/October 2022., 2022
Abstract The Mexico City Metropolitan Area (MCMA) is a significant and important urban center in North America, covering an area of approximately 9500 km2 with a population of almost 23 million, yet the water supply remains unsustainable. The total water demand in the MCMA is 84 m3/s and is provided by groundwater (63% or 53 m3/s), imported water (27 ...
Adriana Palma Nava, Timothy K. Parker, Rafael B. Carmona Paredes   +2 more
wiley   +1 more source

Influence of Fe2+ and Fe3+ on the Performance and Microbial Community Composition of a MFC Inoculated with Sulfate‐Reducing Sludge and Acetate as Electron Donor

Journal of Chemistry, Volume 2022, Issue 1, 2022., 2022
A sulfidogenic sludge supplemented with acetate was evaluated in the anodic chamber of microbial fuel cells (MFCs) in the presence of sulfate (SO4-2)/Fe3+ and sulfate (SO4-2)/Fe2+ to investigate the MFC performance and the effect of the iron ions on the composition of the microbial community since sulfate and iron ions are frequently present in ...
José Roberto González-Paz, María del Carmen Monterrubio–Badillo, Alberto Ordaz, E. Inés García-Peña, Claudia Guerrero-Barajas, Zhenwei Tang   +5 more
wiley   +1 more source

Aprovechamiento del recurso hídrico en Costa Rica: El caso de los Acueductos Municipales

Anuario (Centro de Investigación y Estudios Políticos), 2020
El propósito de este artículo es dar a conocer los resultados sobre el aprovechamiento del recurso hídrico por parte de los acueductos municipales en Costa Rica. Estos resultados son parte de una investigación que se realizó como seminario de graduación
Orlando Josue Hernandez Cruz, Marie Laura Fernandez Ramirez   +1 more
doaj   +3 more sources

Victims crossing overflowing watercourses with vehicles in Spain

Journal of Flood Risk Management, Volume 13, Issue 4, December 2020., 2020
Abstract Heavy rainfall causes many watercourses to overflow. In these circumstances, crossing by car even on a road, can be extremely dangerous; however, dozens of drivers are swept away every year in their vehicles. This paper analyses this type of accident in Spain between 2008 and 2018, recording the date, location, number of victims, age and ...
Álvaro Enríquez‐de‐Salamanca
wiley   +1 more source

Contenido de coliformes fecales, demanda bioquímica de oxígeno y oxígeno disuelto en el río Grande de Tárcoles, período 1981-1984

Tecnología en Marcha, 2019
Se midió el contenido de coliformes fecales, oxígeno disuelto y demanda bioquímica de oxígeno en el río Grande de Tárcoles (Cuenca 24), durante el período 1981-1984, con el objetivo de establecer si se produce alguna variación semestral.
Ana V. Mata, Edgar González, Juan C. Rojas, Darner A. Mora, Marco A. Sequeira-B.   +4 more
doaj   +1 more source

Scaling factors in HYDRUS to simulate a reduction in hydraulic conductivity during infiltration from recharge wells and infiltration basins

Vadose Zone Journal, Volume 19, Issue 1, 2020., 2020
Abstract Managed aquifer recharge (MAR) represents a promising technique to cope with increasing water stress worldwide. However, it can be challenging to operate MAR systems, especially concerning clogging. Clogging reduces the infiltration capacity and system efficiency of a MAR facility.
Jana Glass, Jiří Šimůnek, Catalin Stefan   +2 more
wiley   +1 more source

Evaluación preliminar del río Tiribí período 1981-1982

Tecnología en Marcha, 2019
Se analizó el río Tiribí en cinco estaciones de muestreo y tres de sus afluentes principales (Damas, Cucubres y Chagüite). Los muestreos se realizaron durante un período de dos años, mensualmente y por las mañanas, determinándose: turbiedad, pH, demanda
Victoria E. Pacheco, Ana V. Mata, Marco A. Sequeira-B.   +2 more
doaj   +1 more source

Antidiabetic Activity of Aloe vera Leaves

Evidence-Based Complementary and Alternative Medicine, Volume 2020, Issue 1, 2020., 2020
This research evaluated the potential of using the methanol extract of Aloe vera (L.) Burm.f (AVM) to prevent the formation of AGEs by means of the BSA/glucose assay, BSA‐methylglyoxal assay, arginine‐methylglyoxal assay, fructosamine, Nɛ‐(carboxymethyl) lysine (CML), thiol groups, and carbonyl protein in vitro.
Alethia Muñiz-Ramirez, Rosa M. Perez, Efren Garcia, Fabiola E. Garcia, Ronald Sherman   +4 more
wiley   +1 more source

Calidad sanitaria de las aguas de la playa de Limón en el período 1881-1884

Tecnología en Marcha, 2019
Este estudio identifica las fuentes de contaminación, tanto puntuales como las dispersas que contaminan el agua de la playa de Limón. Además, evalúa la calidad de la playa utilizando parámetros fisicoquímicos y bacteriológicos.
Darner A. Mora, Juan C. Rojas, Ana V. Mata, Marco A. Sequeira-B.   +3 more
doaj   +1 more source