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Earth Sciences Research Journal
Recent Submissions
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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. -
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. -
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. -
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. -
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. -
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. -
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 lignite from the neogene ogwashi-asaba formation, niger delta basin, southern nigeria
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. -
Investigation of the geochemical signatures and conditions of formation of metacarbonate rocks occurring within the mamfe embayment of south-eastern nigeria
Hitherto unknown metacarbonate deposits constitute parts of the Cretaceous Mamfe embayment which straddles the border between south-eastern Nigeria and western Cameroon. The rock is characterisedby a high concentration of ...Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. -
Adaptive seismic ground roll attenuation using the double density dual tree discrete wavelet transform (dwt) method
Seismologists working on the reflection of seismic data have been dealing with noise and trying to attenuate noise as much as possible without damaging a particular signal. Many methods have been used to removenoise types, ...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. -
Statistical correlation between b-value and fractal dimension regarding turkish epicentre distribution
This study was aimed at analysing the relationship between seismic b-value and fractal dimension Dcvalue for Turkish epicentres. The earthquake catalogue consisting of 99,737 instrumentally-registeredTurkish events was ...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. -
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. -
Nonlinear forecasting of stream flows using a chaotic approach and artificial neural networks
This paper evaluates the forecasting performance of two nonlinear models, k-nearest neighbor (kNN) and feed-forward neural networks (FFNN), using stream flow data of the Kızılırmak River, the longest river in Turkey. For ...Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. -
Biogeochemical and engineering characteristics of soils and groundwater around a dumpsite
An active dumpsite in Lagos Southwestern Nigeria was monitored to test the efficiency of natural attenuation in the reduction of contaminants by determining biogeochemical and engineering properties of soils and groundwater ...Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. -
An approximate method for estimating nutrient loads in drainage water from a coastal irrigated area
In this work an estimation of nutrient loads (expressed as Dissolved Inorganic Nitrogen and Inorganic Phosphorous) in drainage water from a coastal irrigated area, was undertaken. The procedure is based on the calculation ...Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. -
Spatio-temporal variability of groundwater depth in the eghlid aquifer in southern iran
Groundwater is the main water source for domestic and agricultural use in Eghlid, a city located in Fars province in southern Iran. Here, spatial and temporal changes in groundwater depth were monitored by using geostatistical ...Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal. -
The assessment of slope stability and rock excavatability in a limestone quarry
The aim of this study is to evaluate the stability and excavatability of newly stripped rock slopes (slope 1 (SN–1), slope 2 (SN–2), and slope 3 (SN–3)) in a limestone quarry. These are new production sites with comparable ...Universidad Nacional de Colombia Revistas electrónicas UN Earth Sciences Research Journal.
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