Results 31 to 40 of about 2,511,850 (187)

Air Quality Forecasts With Observation‐Based Scaling of Anthropogenic Emissions for Urban Agglomerations

Earth's Future, Volume 14, Issue 8, August 2026.
Abstract Air quality forecasts are essential to support decision‐making in urban agglomerations, where millions of people are exposed to high levels of pollution. However, these forecasts are often limited by uncertainties in anthropogenic emissions, especially in large urban agglomerations where no dedicated operational system exists.
Adrien Deroubaix, Guy P. Brasseur, Maria de Fátima Andrade, Alejandro Herman Delgado Peralta, Philipp Franke, Mario Gavidia‐Calderon, Judith J. Hoelzemann, Fei Jiang, Inga Labuhn, Laurent Menut, Nilton Rosário, Guillaume Siour, Rita Yuri Ynoue   +12 more
wiley   +1 more source

Understanding the Influence of Soil Moisture on Machine Learning Predictions of Photosynthesis and Evapotranspiration

Geophysical Research Letters, Volume 53, Issue 9, 16 May 2026.
Abstract Evapotranspiration (ET) and photosynthesis are key processes in ecosystem functioning on which soil moisture (SM) has an important influence. Eddy covariance measurements and machine learning (ML) increasingly enable flux prediction in ungauged regions.
Daniel Power, Miguel Angel Rico‐Ramirez, Pierre Gentine, David McJannet, Martin Schrön, Corinna Rebmann, Humberto da Rocha, Rafael Rosolem   +7 more
wiley   +1 more source

The Role of Moisture Transport Deficits in Modulating Drought and Fire Patterns in the Upper Paraguay River Basin, Brazil

Meteorological Applications, Volume 33, Issue 3, May/June 2026.
The Upper Paraguay River Basin faced intense droughts in 1999, 2007, and 2010, coinciding with extensive wildfires. In 2007, a severe drought episode affected 97.5% of its area. These extreme years were characterized by pronounced negative anomalies and shifts in atmospheric moisture contributions from key source regions, during dry season. ABSTRACT In
Liz Barreto Coelho Belém, Raquel Nieto, Leonardo F. Peres, Nilson Oliveira da Silva, Milica Stojanovic, Marta Vázquez, Ronaldo Albuquerque, Allan Arantes Pereira, Carlos C. DaCamara, Luis Gimeno, Ana M. B. Nunes, Letícia Couto Garcia, Geraldo Alves Damasceno Junior, Fabio de Oliveira Roque, Renata Libonati   +14 more
wiley   +1 more source

The Influence of Fluvial Incision on the Lithospheric Stress Field: A Numerical Approach

Journal of Geophysical Research: Solid Earth, Volume 131, Issue 5, May 2026.
Abstract Erosion along large fluvial valleys transports important sedimentary volumes across continents over geological time, modifying the loads imposed on the lithosphere and inducing isostasy‐related subsurface stresses. This work presents numerical experiments with a visco‐plastic lithosphere aimed at understanding the distribution and evolution of
F. Baiadori, V. Sacek
wiley   +1 more source

The Sensitivityof GPS Precipitable Water Vapor Jumps to Intense Precipitation Associated with Tropical Organized Convective Systems

Atmosphere, 2023
The Global Positioning System (GPS) consists of a constellation of satellites that transmit radio frequency signals to many users with varied applications.
Thamiris B. Campos, Luiz F. Sapucci, Cristiano Eichholz, Luiz A. T. Machado, David K. Adams   +4 more
doaj   +1 more source

Impact of Mantle Velocity Uncertainty on Receiver‐Function Imaging of the Transition Zone

Geophysical Research Letters, Volume 53, Issue 8, 28 April 2026.
Abstract Seismological estimates of the 400‐km and 670‐km mantle discontinuities (d400 and d670) are crucial for understanding the thermochemical structure and dynamics of the mantle transition zone (MTZ). However, artifacts from using ray theory and uncertainties in mantle velocity structure can affect topographic mapping of these boundaries.
Carlos A. M. Chaves, Felipe P. Corral, Jeroen Ritsema   +2 more
wiley   +1 more source

A importância para o Brasil do Desenvolvimento das Ciências e Tecnologias Espaciais e Atmosféricas

Brazilian Journal of Geophysics, 1992
Modernamente, o grau de desenvolvimento da área de Ciências e Tecnologias Espaciais e Atmosféricas é um dos mais importantes fatores que regem o nível das relações entre as grandes potências e os países do resto do globo.
J. M. da Costa
doaj   +1 more source

High Geomagnetic Reversal Frequency During the Middle to Late Ediacaran (∼570 Ma) Constrained by Integrated Magneto‐ and Cyclostratigraphy

Journal of Geophysical Research: Solid Earth, Volume 131, Issue 4, April 2026.
Abstract The Ediacaran–Cambrian (∼635–539 Ma) geomagnetic field is characterized by unusually high reversal rates and markedly weakened field strength. Estimates of these reversal frequencies can reveal key aspects of deep Earth dynamics and their potential influence on surface environments and early complex life.
J. W. L. Afonso, R. M. Rocha, D. R. Franco, N. B. Dos Santos, C. G. Leandro, P. Franceschinis, A. E. Rapalini, M. J. Arrouy, L. E. Gómez‐Peral, D. G. Poiré, S. Caetano‐Filho, H. D. Brito, R. I. F. Trindade   +12 more
wiley   +1 more source

Atividades de Pesquisa Geofísica no IAG/USP

Brazilian Journal of Geophysics, 1995
Os artigos aqui apresentados representam as versões escritas de relatórios comunicados oralmente em 09.12.92, na capital São Paulo, nas dependências do Instituto Astronômico e Geofisico da Universidade de São Paulo, durante a Mesa Redonda "A ...
Igor I. Gil Pacca
doaj   +1 more source

Impacts of Low‐Level Jets on Moisture Transport to the Pantanal, Brazil

International Journal of Climatology, Volume 46, Issue 3, 15 March 2026.
The moisture transports from the tropics to the subtropics by the low‐level jets (LLJs) east of the Andes crossing the Pantanal region. Four LLJs, east of the Andes, were identified and selected with correspondent Lagrangian moisture transport. The LLJ moisture source regions contribute to Pantanal (~63.5%) and precipitation increased (~30%) during LLJ
Nilson Oliveira da Silva, Ana Maria Pereira Nunes, Raquel Nieto, Milica Stojanovic, Rosmeri Porfírio da Rocha   +4 more
wiley   +1 more source