Results 71 to 80 of about 320,996 (218)
Abstract Demonstrating the existence of a soaring demand for strategic materials in fifteenth‐century Rome, the article pioneers research in the late medieval trade in saltpetre, the irreplaceable, rare component of gunpowder, indispensable for waging war following the diffusion of artillery technology.
Fabrizio Antonio Ansani
wiley +1 more source
From the indices of monthly and annual climatic drought in six regions in southern South America and their associations with seventeen predictors, the probable physical causes of droughts are analyzed.
Juan Leonidas Minetti +3 more
doaj +1 more source
Homópteros associados ao arroz. [PDF]
Cigarrinhas-das-pastagens; Cicadelídeos do arroz; Delfacídeos do arroz; Pulgão-da-raiz; Cochonilha-do-arroz.bitstream/CNPAF/21628/1/doc_152 ...
BARRIGOSSI, J. A. F. +2 more
core
The Role of Tax‐Benefit Systems in Reducing the Gender Income Gap in Latin America
ABSTRACT This paper aims to assess the extent to which cash transfers, direct taxes, and social insurance contributions help to reduce gender income inequalities in seven Latin American countries: Argentina, Bolivia, Colombia, Ecuador, Mexico, Peru, and Uruguay.
María Cecilia Deza +4 more
wiley +1 more source
High‐Resolution Observations Unveil (Sub)Mesoscale Heat Fluxes Shaping Upper‐Ocean Heat Content
Abstract Upper‐ocean heat content (UOHC) modulates air–sea exchange in tropical regions; however, its variability at (sub)mesoscale remains insufficiently resolved. Here we combine Surface Water and Ocean Topography (SWOT) observations with high‐resolution glider sections in the northeastern tropical Pacific, where mesoscale eddies and sharp frontal ...
Mathieu Gentil +5 more
wiley +1 more source
Para um adequado planejamento e gestão de águas subterrâneas no longo prazo é necessário lançar mão de estudos de sua correlação com a sazonalidade das chuvas e de fatores climáticos que influenciam a recarga.
FRANCISCO FERNANDO NORONHA MARCUZZO +2 more
doaj
Meridional Dipole in Eddy Activity Along Peruvian Coast During Eastern Pacific El Niño Events
Abstract Mesoscale oceanic eddies (O $O$(100)km) play a key role in regulating climate by affecting the transport of heat and water mass properties. However, most climate models struggle to simulate these eddies due to coarse horizontal resolution. Using a 120‐year ultra‐high‐resolution simulation with 1/10° ${}^{\circ}$ horizontal ocean resolution ...
Carlos Conejero +5 more
wiley +1 more source
Resumo Estudos recentes têm apontado para a existência de dois tipos de eventos de El Niño (EN): EN do Pacífico oriental ou Canônico (EP, sigla em inglês) e EN do Pacífico Central ou Modoki (CP, sigla em inglês).
Juarez Viegas +9 more
doaj +1 more source
The Russia-China relations [PDF]
As relações Rússia-China têm sido pautadas por níveis de cooperação assentes nas posturas comuns em temas fundamentais de política externa, bem como por alguns elementos de continuidade nos projetos de consolidação nacional.
Freire, Maria Raquel
core
ABSTRACT Agricultural soils offer great potential for carbon sequestration through humus formation. One way to motivate farmers to build up humus is through humus programs. These are still at an early stage of development, poorly explored, and the number of participating farmers is low. Our aim is to explain the heterogeneity of farmers' willingness to
Julia B. Block +2 more
wiley +1 more source

