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Luiz Gamboa, André Ferraz, Rui Baptista and Eugênio V. Santos Neto
Exploratory work for hydrocarbons along the southeastern Brazilian Margin discovered high concentrations of CO2 in several fields, setting scientific challenges to understand these accumulations. Despite significant progress in understanding the conseque...
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Denilson Alves de Melo, Patrícia Costa Silva, Adriana Rodolfo da Costa, Josué Gomes Delmond, Ana Flávia Alves Ferreira, Johnny Alves de Souza, José Francisco de Oliveira-Júnior, Jhon Lennon Bezerra da Silva, Alexandre Maniçoba da Rosa Ferraz Jardim, Pedro Rogerio Giongo, Maria Beatriz Ferreira, Abelardo Antônio de Assunção Montenegro, Henrique Fonseca Elias de Oliveira, Thieres George Freire da Silva and Marcos Vinícius da Silva
The objective of this study was to develop and calibrate a photovoltaic-powered soil moisture sensor (SMS) for irrigation management. Soil moisture readings obtained from the sensor were compared with gravimetric measurements. An automated SMS was used i...
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Virginia Strati, Matteo Albéri, Stefano Anconelli, Marica Baldoncini, Marco Bittelli, Carlo Bottardi, Enrico Chiarelli, Barbara Fabbri, Vincenzo Guidi, Kassandra Giulia Cristina Raptis, Domenico Solimando, Fausto Tomei, Giulia Villani and Fabio Mantovani
Proximal soil sensors are taking hold in the understanding of soil hydrogeological processes involved in precision agriculture. In this context, permanently installed gamma ray spectroscopy stations represent one of the best space–time trade off me...
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Raúl Ulices Silva-Ávalos, Hugo Enrique Júnez-Ferreira, Julián González-Trinidad and Carlos Bautista-Capetillo
In Mexico, agriculture in semi-arid regions is highly dependent on groundwater resources, where most of the aquifers? characterization is a pending task. In particular, the depth to the basement is unknown for most of the Mexican territory. Hence, the de...
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Ismael Foroughi, Abdolreza Safari, Pavel Novák and Marcelo C. Santos
Local gravity field modelling demands high-quality gravity data as well as an appropriate mathematical model. Particularly in coastal areas, there may be different types of gravity observations available, for instance, terrestrial, aerial, marine gravity...
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Caleb Iddissah Yakubu, Vagner Gonçalves Ferreira and Cosmas Yaw Asante
The selection of a global geopotential model (GGM) for modeling the long-wavelength for geoid computation is imperative not only because of the plethora of GGMs available but more importantly because it influences the accuracy of a geoid model. In this s...
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Caleb Iddissah Yakubu, Vagner Gonçalves Ferreira and Cosmas Yaw Asante
The selection of a global geopotential model (GGM) for modeling the long-wavelength for geoid computation is imperative not only because of the plethora of GGMs available but more importantly because it influences the accuracy of a geoid model. In this s...
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Murat Mustafin and Hiba Moussa
The technology for determining a point?s coordinates on the earth?s surface using the global navigation satellite system (GNSS) is becoming the norm along with ground-based methods. In this case, determining coordinates does not cause any particular diff...
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Mohammed El-Diasty, Mosbeh R. Kaloop and Faisal Alsaaq
A traditional shore-based discrete point chart datum (CD) that represents the lowest astronomical tide (LAT) in Saudi Arabia using tide gauge data is utilized to reduce the observed depth collected from hydrographic surveying test to CD-referenced depth ...
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Vicente Cortes, Carlos A. Rodriguez Betancourth, Javier A. Ortega and Hasina Huq
One of the main causes of hip prostheses failure is the premature wear of their components. Multi-directional motion or ?cross-shear? motion has been identified as one of the most significant factors affecting the wear rate of UHMWPE in total hip joint r...
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Andreas Groh, Martin Horwath, Alexander Horvath, Rakia Meister, Louise Sandberg Sørensen, Valentina R. Barletta, René Forsberg, Bert Wouters, Pavel Ditmar, Jiangjun Ran, Roland Klees, Xiaoli Su, Kun Shang, Junyi Guo, C. K. Shum, Ernst Schrama and Andrew Shepherd
Satellite gravimetry data acquired by the Gravity Recovery and Climate Experiment (GRACE) allows to derive the temporal evolution in ice mass for both the Antarctic Ice Sheet (AIS) and the Greenland Ice Sheet (GIS). Various algorithms have been used in a...
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Daniele Sampietro, Ahmed Hamdi Mansi and Martina Capponi
Airborne gravimetry represents nowadays probably the most efficient technique to collect gravity observations close to the Earth’s surface. In the 1990s, thanks to the development of the Global Navigation Satellite Systems (GNSS), which has made ac...
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Tomasz Gnatowski, Jan Szatylowicz, Bogumila Pawluskiewicz, Ryszard Oleszczuk, Maria Janicka, Ewa Papierowska and Daniel Szejba
The proper monitoring of soil moisture content is important to understand water-related processes in peatland ecosystems. Time domain reflectometry (TDR) is a popular method used for soil moisture content measurements, the applicability of which is still...
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Andrés N. Beretta, Ana V. Silbermann, Leonardo Paladino, Deborah Torres, Daniel Bassahun, Raquel Musselli, Adriana García-Lamohte
Pág. 263 - 271
The Robinson pipette method (Pipette) is accurate and precise but time consuming. Bouyoucos (1936) proposed a more rapid and simpler procedure called the hydrometer method. Both analytical techniques are sedimentation procedures accepted as standard tech...
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Daniele Sampietro and Martina Capponi
To solve the inverse gravimetric problem, i.e., to estimate the mass density distribution that generates a certain gravitational field, at local or regional scale, several parameters have to be defined such as the dimension of the 3D region to be conside...
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Yizhu Lu, Wenlong Song, Jingxuan Lu, Xuefeng Wang, Yanan Tan
Pág. 1 - 11
Ground penetrating radar (GPR) is a new technique of rapid soil moisture measurement, which is an important approach to measure soil moisture at the intermediate scale. To test the applicability of GPR method for soil moisture in desert steppe, we used t...
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Nicholas E. Drewett, Juan Luis Gómez-Cámer, Begoña Acebedo, Montserrat Galceran and Teófilo Rojo
The potentially high gravimetric capacities of intermetallic anodes, coupled with the low cost and readily available materials used in sodium-ion batteries, has generated interest in antimony?an anode capable of alloying with sodium. However, presently t...
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Yizhu Lu, Wenlong Song, Jingxuan Lu, Xuefeng Wang and Yanan Tan
Ground penetrating radar (GPR) is a new technique of rapid soil moisture measurement, which is an important approach to measure soil moisture at the intermediate scale. To test the applicability of GPR method for soil moisture in desert steppe, we used t...
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D. L. Marrin
As a management tool for addressing water consumption issues, footprints have become increasingly utilized on scales ranging from global to personal. A question posed by this paper is whether water footprint data that are routinely compiled for particula...
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D. L. Marrin
Pág. 1 - 11
As a management tool for addressing water consumption issues, footprints have become increasingly utilized on scales ranging from global to personal. A question posed by this paper is whether water footprint data that are routinely compiled for particula...
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