Listar Earth Sciences Research Journal por fecha de creación
Mostrando documentos 1-20 de 373
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Detecting low frequency cycles in rainfall series from colombian coffee-growing area by using descriptive methods
Descriptive statistical methods were used for improving climatic variability scenarios regarding rainfall using time series from five representative pluviometric stations (Miguel Valencia, Naranjal, Cenicafé, La Bella and ...Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. -
Una solución al problema inverso en geomagnetismo
Un tema importante en geofísica, es el problema inverso en geomagnetismo. En este trabajo se propone un método para resolverlo, que consiste en hallar la solución de un sistema móvil de ecuaciones no lineales a lo largo ...Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. -
A multivariate statistical approaches on physicochemical characteristics of ground water in and around nagapattinam district, cauvery deltaic region of tamil nadu, india
Ground water samples collected at different locations in and around the Nagapattinam district were analyzed for their physicochemical characteristics. The ground water samples were collected from fifty two dug and deep ...Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. -
Detecting ionospheric precursors of a deep earthquake (378.8 km) on 7 july 2013, m w=7.2, in papua new guinea under a geomagnetic storm: two-dimensional principal component analysis
Two-dimensional ionospheric total electron content (TEC) data were collected during the time period from 00:00 on 2 July to 12:00 UT on 08 July 2013. This period spanned 5 days before to 1 day after a deep earthquake (378.8 ...Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. -
Letter from editor
Find available in your hands or just a click far this new number of the Earth Sciences Research Journal. It has been the product of a hard work not only for the authors but also for all people related to this project. ...Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. -
The geomorphic history of the ainoura plain, kyushu, japan, based on excavation of the monzen ruins
The complex coastline of north-western Kyushu, Japan, consisting of cliffs, steep-sided inlets and archipelagos, has resulted from subsidence in mountainous terrain; the region's populated river valleys,having narrow ...Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. -
The impacts of alkaline mine drainage on ba, cr, ni, pb and zn concentration in the water resources of the takht coal mine, iran
The release of heavy metals into the environment represents one of the most important environmental effects involved in extracting coal; it needs to be studied more fully. The present research investigatedthe effects of ...Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. -
Corrigendum
Presentamos excusas a nuestros lectores y al antropólogo Javier Andrés Sandoval Andrade puesto que en el Vol 15 No 2 del 2011 de la revista Earth Science research Journal (ESRJ) se publicó el articulotitulado "Quaternary ...Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. -
Surfactant modified clays’ consistency limits and contact angles
This study was aimed at preparing a surfactant modified clay (SMC) and researching the effect of surfactants on clays' contact angles and consistency limits; clay was thus modified by surfactants formodifying their engineering ...Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. -
Letter from the editor
Greatly appreciated readers of ESRJ,I am pleased to bring you Vol. 16(2) 2012 which contains interesting articles related to applying methods regarding seismic prospecting, geotechnics, geomorphology, seismology and ...Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. -
The geochemistry of claystone-shale deposits from the maastritchian patti formation, southern bida basin, nigeria
Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. -
The geochemistry of lignite from the neogene ogwashi-asaba formation, niger delta basin, southern nigeria
Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. -
Debris flow susceptibility mapping in a portion of the andes and preandes of san juan, argentina using frequency ratio and logistic regression models
In this study, the frequency ratio and logistic regression models are applied and verified for the analysis of debris flow susceptibility in a portion of the Dry Frontal Andes and Occidental Preandes of San Juan at ...Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. -
Letter from the editor
Dear readers and contributors of the Earth Sciences Research Journal,Thanks again to be part of this interesting professional journal. With pretty proud I want to present this new issue (17:1, June-2013) with interesting ...Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. -
Titaniferous magnetite and barite from the san gregorio de polanco dike swarm, paraná magmatic province, uruguay
The San Gregorio de Polanco Dike Swarm (Tacuarembó Department, Uruguay) is the southernmost set of dikes in the Paraná Magmatic Province of Uruguay. Five major dikes have been identified with two main structural trends: ...Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. -
Climate variability and its impacts on runoff in the kosasthaliyar sub-basin, india
Research on the effect of climate variability/climate change on rainfall-runoff modeling is limited in humid tropical regions. Climate change has implications beyond the water resources sector, such as effects on agriculture ...Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. -
Uncertainty in rainfall input data in a conceptual water balance model: effects on outputs and implications for predictability
As hydrological models become more prevalent in water resources planning and management, increasing levels of detail and precision are needed. Currently, reliable models that simulate the hydrological behavior of a basin ...Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. -
Late permian brachiopoda fauna in north-western iran
Late Permian marine sequence of in the North west of Iran in eastern Azarbaijan province in the Zal stratigraphic section has been selected To study brachiopods.Samples have been collected from Alibashi and Jolfa Formation. ...Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. -
Using aromatic biological markers as a tool for assessing thermal maturity of source rocks in the campano-maastrichtian mamu formation, southeastern nigeria
The concentration and distribution of aromatic biomarkers in coals and shales from five boreholes penetrating the Maastrichtian Mamu Formation of the Anambra Basin, southeastern Nigeria, were investigated by gas ...Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. -
A new empirical relation between surface wave magnitude and rupture length for turkey earthquakes
Many practical problems encountered in quantitative oriented disciplines entail finding the best approximate solution to an over determined system of linear equations. In this study, it is investigated the usage of different ...Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal.