Results 71 to 80 of about 510,093 (313)

Regional Differences in U.S. Consumer Preferences for Native Woody Shrubs With Varying Aesthetic Characteristics

Agribusiness, EarlyView.
ABSTRACT Native plants offer a variety of aesthetic (e.g., fall colour, fruit, flowers) and functional benefits (e.g., pollinator friendly, wildlife friendly, water management). How these benefits influence consumer choice and perceived value of native versus introduced plants is not well understood.
Alicia Rihn, Ariana P. Torres, Sue Barton, Bridget K. Behe   +3 more
wiley   +1 more source

Oceanographic parameters in continental margin of the State of Ceará (northeastern Brazil) deduced from C and O isotopes in foraminifers

Anais da Academia Brasileira de Ciências, 2007
Specimens of Recent foraminifera of Amphistegina radiata, Peneroplis planatus and Globigerinoides ruber, from fifty samples of surface sediments of the continental margin of the State of Ceará, Brazil, have been analyzed for carbon and oxygen isotopes to
Wanessa S. Marques, Eldemar de A. Menor, Alcides N. Sial, Valdir A.V. Manso, Satander S. Freire   +4 more
doaj   +1 more source

Chemical signatures of aged Pacific marine air: Mixed layer and free troposphere as measured during PEM-West A [PDF]

, 1996
The Pacific Ocean is one of the few remaining regions of the northern hemisphere that is relatively free of direct anthropogenic emissions. However, long-range transport of air pollutants is beginning to have a significant impact on the atmosphere over ...
Bachmeier, AS, Bandy, AR, Blake, DR, Bradshaw, JD, Gregory, GL, Heikes, BG, Kondo, Y, Thornton, DC   +7 more
core   +1 more source

The Open‐Source Paradox: Africa's Digital Sovereignty and the Structural Limits of Artificial Intelligence Autonomy

AI &Innovation, EarlyView.
ABSTRACT Open‐source artificial intelligence is widely promoted as a democratising pathway to digital sovereignty for African states, offering access to frontier architectures without prohibitive capital investment. This paper investigates whether open‐source AI represents a credible route to autonomy or generates a new form of structural dependency ...
Ololade A. Shonubi
wiley   +1 more source

Currents on the continental shelf adjacent to the Laje de Santos (SP, Brazil)

Brazilian Journal of Oceanography
Analysis of current meter data permitted the elaboration of a description of the hydrodynamic characteristics of the continental shelf adjacent to Laje de Santos, a rocky islet located in the inner part of the São Paulo Continental Shelf (SPCS).
Roberto Fioravanti Carelli Fontes, Belmiro Mendes de Castro   +1 more
doaj   +1 more source

How cold is too cold? A theoretical analysis of the optimal trigger for index insurance for frost damage to crops

American Journal of Agricultural Economics, EarlyView.
Abstract Crop insurance is undoubtedly an extremely valuable element in protecting agricultural businesses, but in many cases standard indemnity‐based products have had very low uptake due to high transaction costs elevating premiums to unaffordable levels.
Amogh Prakasha Kumar, Laura Meriluoto, Richard Watt   +2 more
wiley   +1 more source

Ocean processes at the Antarctic continental slope [PDF]

, 2014
The Antarctic continental shelves and slopes occupy relatively small areas, but, nevertheless, are important for global climate, biogeochemical cycling and ecosystem functioning.
Creed, Elizabeth, Fielding, Sophie, Guihen, Damien, Heuzé, Céline, Heywood, Karen J., Jickells, Timothy D., Kaiser, Jan, Lee, Craig M., Queste, Bastien Y., Ridley, Jeff K., Schmidtko, Sunke, Smith, Walker, Stevens, David P., Thompson, Andrew F., Wadley, Martin   +14 more
core   +3 more sources

Food insecurity and unemployment among immigrants in the United States

American Journal of Agricultural Economics, EarlyView.
Abstract Immigrants can be more vulnerable to economic downturns and, during periods of economic hardship, more likely to experience food insecurity compared to natives. This study examines the differential effect of the unemployment rate on the probability of being food insecure among diverse groups of immigrant households relative to natives in the ...
Siwen Zhou, Joshua Berning, Alessandro Bonanno, Jude Bayham   +3 more
wiley   +1 more source

Working Paper 122 - Welfare Analysis Using Data from the International Comparison Program for Africa [PDF]

This paper uses data from the International Comparison Program 2005 to recover income and price elasticity estimates for the African continent using the Extended Linear Expenditure System for 13 broadly defined commodities.
Shimeles Abebe
core  

Assessment of ozone photochemistry in the western North Pacific as inferred from PEM-West A observations during the fall 1991 [PDF]

, 1996
This study examines the influence of photochemical processes on ozone distributions in the western North Pacific. The analysis is based on data generated during NASA's western Pacific Exploratory Mission (PEM-West A) during the fall of 1991. Ozone trends
Anderson, B, Bachmeier, A, Barrick, J, Blake, D, Bradshaw, J, Browell, E, Chameides, W, Chen, G, Collins, J, Crawford, J, Davis, DD, Gregory, G, Heikes, B, Kondo, Y, Liu, S, Merrill, J, Newell, RE, Rodriguez, J, Rowland, S, Sachse, G, Sandholm, S, Singh, H, Talbot, R   +22 more
core   +1 more source