Results 31 to 40 of about 11,513 (227)

Characterisation of Drought and Wet Events in the Paraíba do Sul River Basin—Brazil

open access: yesInternational Journal of Climatology, EarlyView.
Trend analysis identified statistically significant reductions in precipitation (at the 5% significance level) at specific pluviometric stations in São Paulo and Rio de Janeiro, while other areas, mainly in Minas Gerais, experienced significant increases in annual and seasonal rainfall, particularly during summer and spring. These significant trends at
Gildo Rafael de Almeida Santana   +4 more
wiley   +1 more source

Elemento traza: contaminación y valores de fondo en aguas subterráneas de San Luis Potosí, SLP, México

open access: yesGeofísica Internacional, 1993
Es una práctica relativamente común en nuestro país, el definir como agua contaminada aquella cuya concentración de una o varias especies químicas es mayor que el límite máximo recomendado por los estándares nacionales e internacionales.
Antonio Cardona B.   +2 more
doaj   +1 more source

Precision Restoration to Minimize Soil Loss in a Watershed in the Atlantic Forest Domain

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT The Turvo River Watershed, located in the Zona da Mata region of Minas Gerais and part of the Doce River Basin, faces serious problems of erosion and soil degradation, which compromise and reduce the quality of local water resources. Given this scenario, it is essential to implement environmental recovery strategies that prioritize the ...
Rodrigo Nobre Santana   +6 more
wiley   +1 more source

INDUCCIÓN DE AGUAS TERMALES PROFUNDAS A ZONAS SOMERAS, EVIDENCIAS EN EL POZO SAN IGNACIO, AGS, MÉXICO.

open access: yesRevista Águas Subterrâneas, 2000
La calidad del agua subterránea en el centro y centro-norte, en terrenos volcánicos de México, ha cambiado en las últimas décadas: El cambio ha inducido a los pozos de extracción para agua potable, la presencia de aguas con más, o con menos ...
Joel Carrillo-Rivera, A Cardona, T Hergt
doaj  

Las aguas termales de Tabio

open access: yes, 1932
Estudio químico sobre las aguas termales de Tabio.
openaire   +2 more sources

Varied motivations for secondary forest reclearing among landholders make forest persistence challenging

open access: yesPeople and Nature, EarlyView.
Abstract Remote sensing studies show that ephemeral forest regeneration is widespread in the tropics, limiting the climate and biodiversity benefits from net increases in forest cover. Socioeconomic, biophysical and landscape variables can help explain the spatial distribution of reforestation reversals.
Francis H. Joyce
wiley   +1 more source

Las aguas termales de Choachí

open access: yes, 1939
A. M. Barriga Villalba en su texto “Las aguas termales de Choachí”. Expone la incalculable riqueza natural que se haya en las tierras cundinamarquesas de Choachí. Tras realizar un detallado análisis de la composición química que poseen estas aguas termales, encontrando qué: Son alcalinas litinadas cálcicas, ligeramente sulfhídicas.
openaire   +2 more sources

Auditoría Energética y propuesta de medidas de mejora sobre el hotel balneario Villavieja [PDF]

open access: yes, 2014
Treball Final de Master Universitari en Eficiència Energètica i Sostenibilitat (Pla de 2013) Codi: SIV034. Curs: 2013/2014Esta auditaría está centrada en el hotel-balneario de Villavieja.
Lozano Martínez, José Antonio
core  

When invasions go unnoticed: Public perception of the freshwater jellyfish Craspedacusta sowerbii in Europe

open access: yesPeople and Nature, EarlyView.
Abstract Biological invasions are a major driver of biodiversity loss, yet inconspicuous or “cryptic” species often escape detection and public awareness, limiting management responses. We investigated the freshwater jellyfish Craspedacusta sowerbii, likely native to China and now present on six continents, through a 22‐month multilingual online survey
Guillaume Marchessaux   +17 more
wiley   +1 more source

Health and Wellness Tourism, Thermalism and SPA [PDF]

open access: yes, 2017
Health, spa’s, hydrotherapy, tourism, welfare and economic interests become deeply intertwined components Several situations call for new social restructuring forms and styles of life, but also cover other environments and cultures capable to provide ...
Bonito, Álvaro, Carvalho, Ana Branca
core  

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