Results 51 to 60 of about 203,567 (245)

Islandinium pacificum sp. nov., a new dinoflagellate cyst from the upper Quaternary of the northeast Pacific [PDF]

open access: yes, 2020
Round brown process-bearing cysts (RBPC) produced by dinoflagellates (Dinophyceae) occur as an important part of assemblage diversities in seafloor sediments worldwide. Here a new species, Islandinium pacificum, is described from surface sediment samples
Gurdebeke, Pieter   +4 more
core   +2 more sources

Well design as a factor contributing to loss of water from the Floridan Aquifer, eastern Clay County, Florida [PDF]

open access: yes, 1962
A number of wells penetrating the Floridan aquifer in eastern Clay County were found to be losing water to permeable zones above this aquifer. A differential in artesian pressure was observed in closely spaced wells of similar depth.
Foster, James B.
core  

Morphometric analyzes of the river basin id Ribeirão da Laje, in the Southwest of Goiás, Brazil

open access: yesGeografia Ensino & Pesquisa, 2019
Due to negative environmental impacts caused by intensive soil use, urban and industrial expansion and to the importance of water resources to the maintenance of several life forms on Earth, data were necessary for the planning and environmental ...
Wellmo dos Santos Alves   +3 more
doaj   +1 more source

Airborne geophysical survey of part of Anglesey, North Wales [PDF]

open access: yes, 1979
An airborne magnetic, electromagnetic and radiometric survey was carried out over part of Anglesey, North Wales. In this report of the survey, an outline of the geology, with brief descriptions of survey techniques, data reduction and presentation are
Smith, I.F.
core  

Formation of the Wink Sink, A Salt Dissolution and Collapse Feature, Winkler County, Texas [PDF]

open access: yes, 1982
UT ...
Baumgardner, Jr., Robert W.   +2 more
core   +1 more source

Evaluation of Groundwater Recharge Estimates in a Partially Metamorphosed Sedimentary Basin in a Tropical Environment: Application of Natural Tracers

open access: yesThe Scientific World Journal, 2014
This study tests the representativeness of groundwater recharge estimates through the chloride mass balance (CMB) method in a tropical environment. The representativeness of recharge estimates using this methodology is tested using evaporation estimates ...
Felix Oteng Mensah   +2 more
doaj   +1 more source

Application of an improved global-scale groundwater model for water table estimation across New Zealand [PDF]

open access: yesHydrology and Earth System Sciences, 2018
Many studies underline the importance of groundwater assessment at the larger, i.e. global, scale. The groundwater models used for these assessments are dedicated to the global scale and therefore not often applied for studies in smaller areas, e.g ...
R. Westerhoff   +3 more
doaj   +1 more source

Geologists of Russian origin in Latin America [PDF]

open access: yes, 2018
Se describe la vida y trayectoria de geólogos que más allá de su nacionalidad (rusa, ucraniana, tártara, alemana, etc.), nacieron en territorios que pertenecieron al Imperio Ruso, la Unión Soviética o la Federación Rusa, y de sus descendientes graduados ...
Alonso, Ricardo   +7 more
core   +1 more source

Methodics of computing the results of monitoring the exploratory gallery [PDF]

open access: yesActa Montanistica Slovaca, 2000
At building site of motorway tunnel Višòové-Dubná skala , the priority is given to driving of exploration galley that secures in detail: geologic, engineering geology, hydrogeology and geotechnics research. This research is based on gathering information
Krúpa Víazoslav
doaj  

Response of river-dominated delta channel networks to permanent changes in river discharge [PDF]

open access: yes, 2010
Using numerical experiments, we investigate how river-dominated delta channel networks are likely to respond to changes in river discharge predicted to occur over the next century as a result of environmental change.
Best, J L   +7 more
core   +4 more sources

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