Results 31 to 40 of about 7,712,883 (398)

Plant dispersal across the tropical Atlantic by wind and sea currents [PDF]

open access: yes, 2004
This review brings together evidence on the monophyly and ages of angiosperm lineages ranging across the tropical Atlantic with data on the direction, strength, and speed of sea currents and wind jets across that ocean. Mainly for pragmatic reasons (data
Renner, Susanne S.
core   +1 more source

Recent changes in the South America low-level jet

open access: yesnpj Climate and Atmospheric Science, 2019
The South America Low-level Jet (SALLJ) is a climatological feature with a critical role in the spatiotemporal distribution of precipitation in South America.
Charles Jones
semanticscholar   +1 more source

A systematic overview of transportation equity in terms of accessibility, traffic emissions, and safety outcomes: From conventional to emerging technologies

open access: yesTransportation Research Interdisciplinary Perspectives, 2020
Emerging transportation technologies (e.g., electric vehicles) and services (e.g., shared mobility) provide efficient, sustainable and cost-effective alternatives to traditional travel modes.
Yujie Guo   +4 more
doaj   +1 more source

A critical deconstruction of myths and misunderstandings about energy integration in South America

open access: yesRevista Neiba, 2015
This paper aims to present and discuss the main problems regarding energy integration in South America, with special focus on electric integration. Considering infrastructure sector is important not only in terms of regional integration, but mainly to ...
Thauan Santos
doaj   +1 more source

Arrival of Paleo-Indians to the Southern Cone of South America: New Clues from Mitogenomes [PDF]

open access: yes, 2012
With analyses of entire mitogenomes, studies of Native American mitochondrial DNA (mtDNA) variation have entered the final phase of phylogenetic refinement: the dissection of the founding haplogroups into clades that arose in America during and after ...
Achilli, Alessandro   +14 more
core   +4 more sources

Multiproxy evidence highlights a complex evolutionary legacy of maize in South America

open access: yesScience, 2018
The complexity of maize domestication Maize originated in what is now central Mexico about 9000 years ago and spread throughout the Americas before European contact. Kistler et al.
Logan Kistler   +16 more
semanticscholar   +1 more source

Impacts of Atmospheric Rivers on Precipitation in Southern South America

open access: yesJournal of Hydrometeorology, 2018
This study quantifies the impact of atmospheric rivers (ARs) on precipitation in southern South America. An AR detection algorithm was developed based on integrated water vapor transport (IVT) from 6-hourly CFSR reanalysis data over a 16-yr period ...
M. Viale   +3 more
semanticscholar   +1 more source

Polistes dominula (Christ, 1791) (Hymenoptera: Vespidae: Polistinae) found in South Dakota, U.S.A. [PDF]

open access: yes, 2010
Polistes dominula (Christ, 1791) (Hymenoptera: Vespidae: Polistinae), a Palearctic paper wasp established in North America, is reported for the first time from the state of South Dakota, U.S ...
Hesler, Louis S.
core   +2 more sources

Toward continental hydrologic–hydrodynamic modeling in South America

open access: yesHydrology and Earth System Sciences, 2018
. Providing reliable estimates of streamflow and hydrological fluxes is a major challenge for water resources management over national and transnational basins in South America.
V. Siqueira   +8 more
semanticscholar   +1 more source

A Native Hymenopteran Predator of \u3ci\u3eAgonopterix Alstroemeriana\u3c/i\u3e (Lepidoptera: Oecophoridae) in East-Central Illinois [PDF]

open access: yes, 2018
Agonopterix alstroemeriana is a European oecophorid moth that defoliates poison hemlock (Conium maculatum), a noxious Eurasian weed extensively naturalized throughout temperate Australia, New Zealand, North America, and South America.
Berenbaum, May R   +2 more
core   +2 more sources

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