Results 21 to 30 of about 130,242 (295)

Global Evaluation of SMAP/Sentinel-1 Soil Moisture Products

open access: yesRemote Sensing, 2022
SMAP/Sentinel-1 soil moisture is the latest SMAP (Soil Moisture Active Passive) product derived from synergistic utilization of the radiometry observations of SMAP and radar backscattering data of Sentinel-1.
Farzane Mohseni   +4 more
doaj   +1 more source

Susceptibility Status of Malaria Vectors to Insecticides Commonly used for Malaria Control in Tanzania. [PDF]

open access: yes, 2012
The aim of the study was to monitor the insecticide susceptibility status of malaria vectors in 12 sentinel districts of Tanzania. WHO standard methods were used to detect knock-down and mortality in the wild female Anopheles mosquitoes collected in ...
Abbott   +34 more
core   +1 more source

Monitoring of post-fire forest scars in Serbia based on satellite Sentinel-2 data

open access: yesGeomatics, Natural Hazards & Risk, 2020
This study aims to improving long-term post-fire environment assessment. It proposes a method for monitoring fire impact using Sentinel-2 satellite data by combining spectral and textural features of land cover types inside a post-fire study sites ...
Olga Brovkina   +5 more
doaj   +1 more source

Predicting Forest Cover in Distinct Ecosystems: The Potential of Multi-Source Sentinel-1 and -2 Data Fusion

open access: yesRemote Sensing, 2020
The fusion of microwave and optical data sets is expected to provide great potential for the derivation of forest cover around the globe. As Sentinel-1 and Sentinel-2 are now both operating in twin mode, they can provide an unprecedented data source to ...
Kai Heckel   +4 more
doaj   +1 more source

Comparing methods for sentinel surveillance site placement

open access: yesEmerging Health Threats Journal, 2011
Introduction ILI data are collected via an Influenza Sentinel Provider Surveillance Network at the state level. Because participation is voluntary, locations of the sentinel providers may not reflect optimal geographic placement. This study analyzes two different geographic placement schemes*a maximal coverage model (MCM) and a K-median model, two ...
Geoffrey Fairchild   +4 more
openaire   +1 more source

Evaluation of Methods for Sampling the Malaria Vector Anopheles darlingi (Diptera, Culicidae) in Suriname and the Relation With Its Biting Behavior [PDF]

open access: yes, 2011
The effectiveness of CO2-baited and human-baited mosquito traps for the sampling of Anopheles darlingi Root was evaluated and compared with human landing collections in Suriname.
Andriessen, R.   +4 more
core   +2 more sources

Wild Zebrafish Sentinels: Biological Monitoring of Site Differences Using Behavior and Morphology [PDF]

open access: yesToxics, 2021
Environmental change poses a devastating risk to human and environmental health. Rapid assessment of water conditions is necessary for monitoring, evaluating, and addressing this global health danger. Sentinels or biological monitors can be deployed in the field using minimal resources to detect water quality changes in real time, quickly and cheaply ...
Jeffrey R. Kelly   +11 more
openaire   +3 more sources

The Discovery of Trissolcus japonicus (Hymenoptera: Scelionidae) in Michigan [PDF]

open access: yes, 2019
The invasive brown marmorated stink bug, Halyomorpha halys (Stål), is a pest of growing economic importance in the United States, the control of which currently relies on pesticide applications.
Gut, Larry   +4 more
core   +2 more sources

Studies on West Nile virus infection in Egypt

open access: yesJournal of Infection and Public Health, 2010
Summary: We conducted a prospective cohort study to determine prevalence and incidence of West Nile virus (WNV) in Egypt. Cohorts were established in Upper (UE), Middle (ME), and Lower (LE) Egypt.
Atef Soliman   +13 more
doaj   +1 more source

Hyperspectral PRISMA and Sentinel-2 Preliminary Assessment Comparison in Alba Fucens and Sinuessa Archaeological Sites (Italy)

open access: yesLand, 2022
Over the last decades, remote sensing techniques have contributed to supporting cultural heritage studies and management, including archaeological sites as well as their territorial context and geographical surroundings.
Maria Alicandro   +7 more
doaj   +1 more source

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