Results 61 to 70 of about 145,478 (162)

Impact of Filtering Methods in the Assessment of COSMIC Electron Density Profiles Over the Brazilian Region: Excluding Profiles With Negative Values Is the Best Strategy?

Radio Science, Volume 60, Issue 11, November 2025.
Abstract Global Navigation Satellite Systems radio occultation (RO) is a valuable and relevant source of information from the atmosphere. Many efforts have been made to provide methods of validation of RO profiles, however, no clear methodology for filtering the profiles from RO can be easily found.
Gabriel O. Jerez, Manuel Hernández‐Pajares, Daniele B. M. Alves, João F. G. Monico   +3 more
wiley   +1 more source

The Role of Protected Areas in Combating Tropical Dry Forest Loss: Insights From Kirindy Mitea National Park, Madagascar

Biotropica, Volume 57, Issue 6, November 2025.
Tropical dry forests face severe threats from deforestation, endangering both people and wildlife. This study examines the effectiveness of Kirindy Mitea National Park (KMNP) in Madagascar in preventing forest loss from 1993 to 2023 using satellite imagery.
Domenic Romanello, Rebecca J. Lewis, Mirana J. E. Rahariniaina, Heriniaina M. Rakotohary, Anne C. Axel   +4 more
wiley   +1 more source

Inteligência territorial para o desenvolvimento agropecuário de Roraima

Ciência da Informação, 2018
O estado de Roraima tem boa parte do seu território no Hemisfério Norte e é o mais setentrional dos estados brasileiros. A agropecuária participa com apenas 4,3% no PIB do estado, que apresenta alta concentração populacional na capital e enorme ...
Gustavo Spadotti Amaral Castro, Lucíola Alves Magalhães, Marcelo Fernando Fonseca, Alfredo Kingo Oyama Homma, Evaristo Eduardo de Miranda   +4 more
doaj  

Reconstructing historical catch trends of threatened sharks and rays based on fisher ecological knowledge

Conservation Biology, Volume 39, Issue 5, October 2025.
Abstract Small‐scale fisheries often lack historical shark and ray catch information, hampering their management. We reconstructed historical catch trends and current fishing pressure by combining local ecological knowledge, satellite‐based vessel counts, and a short‐term landing‐site survey.
Guido Leurs, Rima W. Jabado, Assana Camará, Lilísio Dos Santos, Diosnes Manuel Nonque, Thije J. Zuidewind, Iça Barry, Pierre Campredon, Benja Blaschke, Karin de Boer, Nadia Hijner, Han Olff, Samuel Ledo Pontes, Aissa Regalla, Matthew Bjerregaard Walsh, Laura L. Govers   +15 more
wiley   +1 more source

Plasma diagnostic experiments on board of the Brazilian scientific microsatellite SACI-1

Geofísica Internacional, 2000
Se proponen tres experimentos de diagnósticos de plasma conocidos como PLASMEX para investigar el fenómeno de las burbujas de plasma ionosféricas que se sabe existen en la región ionosférica en un amplio rango de latitudes. Se intentarán hacer mediciones
P. Muralikrishna, M. A. Abdu, J. H. A. Sobral, Koh-Ichiro Oyama   +3 more
doaj   +1 more source

Obtenção de Imagem do Google Earth para classificação de uso e ocupação do solo. [PDF]

, 2019
O sensoriamento remoto e o geoprocessamento trouxeram importantes avanços para o reconhecimento e mapeamento de territórios. A análise de imagem de satélite com alta resolução espacial é um importante instrumento para o planejamento e tomada de decisões.
OSHIRO, O. T., TORLAY, R.
core  

An exploration of market mechanisms to the wicked problem of space debris 太空垃圾棘手问题的市场机制探究 Una exploración de los mecanismos del mercado para resolver el complejo problema de los desechos espaciales

Risk, Hazards &Crisis in Public Policy, Volume 16, Issue 3, September 2025.
Abstract Near‐earth orbits are becoming congested because of a rapid growth in the number of satellites and space debris, which presents a real threat to the sustainable use of space and the safety of the Earth. Despite space scientists and public policymakers having been actively seeking solutions for decades, solving the problem has been put off ...
Anna Ya Ni, Maureen Mayala, Faith Victoria Ni   +2 more
wiley   +1 more source

Uso das terras de Holambra-SP: levantamento com auxílio de imagens de satélite Ikonos II. [PDF]

, 2014
A dinâmica do uso das terras no Brasil determina que os censos agrícolas, realizados somente a cada 10 anos, estejam desatualizados quando são publicados. Além disso, existe uma carência metodológica no que se refere à geração de informações atuais sobre
AZEVEDO, E. C. de, LAMPARELLI, R. A. C., MANGABEIRA, J. A. de C.   +2 more
core   +1 more source

Compression‐Expansion: Miniaturization, Modularity, and Logistics Beyond Earth

American Anthropologist, Volume 127, Issue 3, Page 424-434, September 2025.
ABSTRACT If the Cold War space race culminated in a return to Earth, at present we are experiencing a renewed interest in space. Drawing on fieldwork among people working in the space sector in Sweden, this article focuses on some of the imaginaries underpinning this resurgence and the contemporary commercialization of space. Specifically, I hone in on
Chakad Ojani
wiley   +1 more source

Identificación de sectores culturales y cuentas satélite [PDF]

, 2011
Peer-reviewedCuando se habla de sectores irremediablemente hacemos referencia a los ya clásicos y muy estructurados como la enseñanza, la sanidad, el turismo o el medio ambiente; en el caso del sector cultural, mucho más reciente que los anteriores ...
Cañellas Frau, Vicente
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