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Patrick Dills, Amy Stevermer, Tony Mancus, Bryan Guarente, Tim Alberta and Elizabeth Page
Since 1989, the COMET® Program?s staff of instructional designers, scientists, graphic artists, and web developers has been creating targeted, effective, and scientifically sound instructional materials for the geosciences in multiple languages and forma...
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Philip Martin Fearnside,Euler Melo Nogueira,Aurora Miho Yanai
Extractive reserves in the Amazon Forest maintain carbon stocks out of the atmosphere, thereby avoiding greenhouse-gas emissions that provoke global warming. This and other environmental services, such as recycling water and maintaining biodiversity, pro...
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Chuansheng Wang, Guiyan Sun and Lijuan Dang
The global decline in estuarine and coastal ecosystems is affecting critical ecosystem services. The spatial agglomeration of population, industries and resources has led to the emergence of regionally-specific ecological problems. Therefore, identifying...
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Peng Zhang, Qin Qin, Shijie Zhang, Xiangtian Zhao, Xiaoliang Yan, Wei Wang and Hongbin Zhang
Remote sensing has become an essential tool for geological exploration, disaster monitoring, emergency rescue, and environmental supervision, while the limited number of remote sensing satellites and ground stations restricts the timeliness of remote sen...
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Yidi Wei, Yongcun Cheng, Xiaobin Yin, Qing Xu, Jiangchen Ke and Xueding Li
Detailed information about mangroves is crucial for ecological and environmental protection and sustainable development. It is difficult to capture small patches of mangroves from satellite images with relatively low to medium resolution. In this study, ...
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Lorenza Apicella, Monica De Martino, Ilaria Ferrando, Alfonso Quarati and Bianca Federici
Bathymetric surveys of shallow waters are increasingly necessary for navigational safety and environmental studies. In situ surveys with floating acoustic sensors allow the collection of high-accuracy bathymetric data. However, such surveys are often unf...
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Fabrizio Stesina
The release and retrieval of a CubeSat from a big spacecraft is useful for the external inspection and monitoring of the big spacecraft. However, docking maneuvers during the retrieval are challenging since safety constraints and high performance must be...
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Alvaro Marucci, Andrea Colantoni, Ilaria Zambon and Gianluca Egidi
The number of GNSS satellites has greatly increased over the last few decades, which has led to increased interest in developing self-propelled vehicles. Even agricultural vehicles have a great potential for use of these systems. In fact, it is possible ...
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Denise Keil, Stefan Scharring, Erik Klein, Raoul-Amadeus Lorbeer, Dennis Schumacher, Frederic Seiz, Kush Kumar Sharma, Michael Zwilich, Lukas Schnörer, Markus Roth, Mohamed Khalil Ben-Larbi, Carsten Wiedemann, Wolfgang Riede and Thomas Dekorsy
Environmental pollution exists not only within our atmosphere but also in space. Space debris is a critical problem of modern and future space infrastructure. Congested orbits raise the question of spacecraft disposal. Therefore, state-of-the-art satelli...
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Rui Zhang, Xueyang Zhang, Longlong Xiao and Jiayu Qiu
The remote sensing satellite constellation based on micro-satellites is an important means to construct a global and all-sky earth observation system in the future. Therefore, realizing the recognition of aircraft activities on video micro-satellites is ...
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Pawel Tysiac, Tatiana Strelets and Weronika Tuszynska
In recent years, there has been an increasing use of satellite sensors to detect and track oil spills. The satellite bands, namely visible, short, medium infrared, and microwave radar bands, are used for this purpose. The use of satellite images is extre...
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Ahmed E. S. Nosseir, Angelo Cervone and Angelo Pasini
Current research trends have advanced the use of ?green propellants? on a wide scale for spacecraft in various space missions; mainly for environmental sustainability and safety concerns. Small satellites, particularly micro and nanosatellites, evolved f...
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Elgar Barboza Castillo, Efrain Y. Turpo Cayo, Cláudia Maria de Almeida, Rolando Salas López, Nilton B. Rojas Briceño, Jhonsy Omar Silva López, Miguel Ángel Barrena Gurbillón, Manuel Oliva and Raul Espinoza-Villar
During the latest decades, the Amazon has experienced a great loss of vegetation cover, in many cases as a direct consequence of wildfires, which became a problem at local, national, and global scales, leading to economic, social, and environmental impac...
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Narcisa G. Pricope, Kerry L. Mapes, Kyle D. Woodward, Steele F. Olsen and J. Britton Baxley
There is a growing demand for the collection of ultra-high spatial resolution imagery using unmanned aerial systems (UASs). UASs are a cost-effective solution for data collection on small scales and can fly at much lower altitudes, thus yielding spatial ...
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Azamjon Muminov, Otabek Sattarov, Cheol Won Lee, Hyun Kyu Kang, Myeong-Cheol Ko, Ryumduck Oh, Junho Ahn, Hyung Jun Oh and Heung Seok Jeon
Global Positioning Systems (GPS) are successfully used in many fields such as navigation, meteorology, military tasks, mapping, virtual fencing, and more. Smart collars are currently the most convenient device for determining animal location in virtual f...
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Gaia Piazzi, Cemal Melih Tanis, Semih Kuter, Burak Simsek, Silvia Puca, Alexander Toniazzo, Matias Takala, Zuhal Akyürek, Simone Gabellani and Ali Nadir Arslan
Information on snow properties is of critical relevance for a wide range of scientific studies and operational applications, mainly for hydrological purposes. However, the ground-based monitoring of snow dynamics is a challenging task, especially over co...
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Fabio Cian, José Manuel Delgado Blasco and Lorenzo Carrera
The sub-Saharan African coast is experiencing fast-growing urbanization, particularly around major cities. This threatens the equilibrium of the socio-ecosystems where they are located and on which they depend: underground water resources are exploited w...
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Zengliang Zang, Weiqi Wang, Xinghong Cheng, Bin Yang, Xiaobin Pan and Wei You
The aerosol optical depth (AOD) from satellites or ground-based sun photometer spectral observations has been widely used to estimate ground-level PM2.5 concentrations by regression methods. The boundary layer height (BLH) is a popular factor in the regr...
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D. SINGH,S. SANDEPP,A. CHANDRASEKAR
Radiance measurements from satellites offer the opportunity to retrieve atmospheric variables at much higher horizontal resolution than is presently afforded by in-situ measurements (e.g., radiosondes). However, the accuracy of these retrievals is cru...
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José Luis da Silva Pinho,António Pereira,Rolando Faria
Pág. 69 - 82
Os sistemas de previsão e alerta utilizados na gestão de recursos hídricos e operação de sistemas de drenagem tiveram desenvolvimentos significativos nos últimos anos. Esses desenvolvimentos resultaram da disponibilidade de informações meteorológicas em ...
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