Jiří Žák, Kryštof Verner, Filip Tomek, František V. Holub, Kenneth Johnson, Joshua Schwartz,
... Hurwal Formation; hammer for scale. World Geodetic System (WGS84) coordinates: N45.340177°, W117.410447°. (d) Minor isoclinal ... Army penknife for scale is 9 cm long. WGS84 coordinates: N45.24463205°, W117.34662060°. (b) Steeply dipping ... the host granodiorite of the Hurricane Divide pluton. WGS84 coordinates: N45.25134667°, W117.4067383°. (c) Microgranular enclave ... Bowie knife for scale is 28 cm long. WGS84 coordinates: N45.24509900°, W117.34090380°. (d) Close-up ... pluton. Pencil for scale is 14 cm long. WGS84 coordinates: N45.24362002°, W117.34236385°. (e) Mineral fabric ...
Tópico(s): earthquake and tectonic studies
2015 - Wiley | Tectonics
... system based on the World Geodetic System 1984 (WGS84) ellipsoid. Many software products adopt 3- or 7- ... to solve the distortion modeling between CS42 and WGS84 systems for national datum improvement. The results show ... that for the coordinate transformation from CS42 to WGS84 and vice versa, grid-based transformation with Radial ... some positional distortions existed between the CS42 and WGS84 datums. For the best RBF method, the magnitude ...
Tópico(s): Inertial Sensor and Navigation
2021 - KeAi | Geodesy and Geodynamics
Kevin M. Kelly, Michael L. Dennis,
The World Geodetic System 1984 (WGS84) has been consistent with the International Terrestrial Reference Frame (ITRF) since 1994. After the original release of WGS84 in 1987 by the Defense Mapping Agency (since ... been six subsequent realizations of the frame, designated WGS84 (G730), WGS84 (G873), WGS84 (G1150), WGS84 (G1674), WGS84 (G1762), and WGS84 (G2139). Users of WGS84 often fail to document metadata indicating the realization ...
Tópico(s): earthquake and tectonic studies
2021 - American Society of Civil Engineers | Journal of Surveying Engineering
Glendon G. Newsome, Bruce Harvey,
... The reference frame, World Geodetic System of 1984 (WGS84), within which a user ascertains these coordinates is ... about the geoid-ellipsoid separation at the origin. WGS84 coordinates are therefore not compatible with the JAD69. ... island network, forms a fiducial network at which WGS84 coordinates were determined. The two coordinate data sets ... that the Block Shift and Molodensky values transforms WGS84 coordinates to JAD69, accurate to ±1-2m and ...
Tópico(s): Historical Geography and Cartography
2003 - Taylor & Francis | Survey Review
Mohammed El-Diasty, Salim Al-Harbi, Spiros Pagiatakis,
... another continuous datum such as the reference ellipsoid (WGS84). The importance of the development of CD-to-WGS84 separation model is that it can be utilized ... Gulf area is developed to provide CD-to-WGS84 separation model. It is shown that the Saudi ... to 0.16 m. The developed CD-to-WGS84 separation model in this paper can meet many ...
Tópico(s): Ocean Waves and Remote Sensing
2019 - Taylor & Francis | Geomatics Natural Hazards and Risk
Haoxin Tian, Xipeng Fang, Yubin Lan, Chenyang Ma, Huasheng Huang, Xiaoyang Lu, Dehua Zhao, Hanchao Liu, Yali Zhang,
... coordinates were converted to UTM coordinates and the WGS84 coordinates of citrus trees were obtained using Gauss– ... conversion of pixel coordinates to UTM coordinates and WGS84 coordinates. Results show that the Precision, Recall, and ... and the accuracy of converting UTM coordinates to WGS84 coordinates is 0.01 m. The proposed method is capable of automatically obtaining the WGS84 coordinates of citrus trees with high precision.
Tópico(s): Leaf Properties and Growth Measurement
2022 - Multidisciplinary Digital Publishing Institute | Remote Sensing
... 200 metres. The GPS for instance uses a WGS84 system and gives latitude and longitude values which ... at geodetic coordinate systems and transformations between the WGS84 and the coordinate systems used in Ghana (the ... Keywords: Coordinate Systems, ellipsoidal heights, Global positioning System, WGS84, Transformation parameters Journal of Science and Technology Vol. ...
Tópico(s): GNSS positioning and interference
2008 - African Journals OnLine | Journal of Science and Technology (Ghana)
... network (TNGN) and the World Geodetic System 1984 (WGS84) of the Turkish national fundamental GPS network (TNFGN) ... three-dimensional (3D) coordinate data from ED50 to WGS84 or vice versa. The seven-parameter similarity transformation ... useful for 3D coordinate transformation between ED50 and WGS84. Key words: 3D coordinate transformation, back propagation artificial ...
Tópico(s): Geophysics and Gravity Measurements
2010 - Academic Journals | Scientific Research and Essays
Produção Nacional
Revisado por pares
Reuber Albuquerque Brandão, Ulisses Caramaschi, Wilian Vaz Silva, Leandro Ambrósio Campos,
... 19’17”W; 570 m a.s.l.; WGS84 datum), Municipality of Minaçu, State of Goiás; Proceratophrys ... 48o12’00”W; 109 m a.s.l.; WGS84 datum), State of Tocantins; and Proceratophrys dibernardoi sp. ... 52o33’20”W; 803 m a.s.l.; WGS84 datum), State of Goiás. The diversity of Proceratophrys ...
Tópico(s): Fish biology, ecology, and behavior
2013 - Q15088586 | Zootaxa
... and the horizontal coordinates are based on the WGS84 ellipsoid. Especially a developed computer program can collect ... coordinates of the data are converted to the WGS84 coordinates from which accuracy of data is significantly ...
Tópico(s): Advanced Computational Techniques and Applications
2008 - | Journal of Korean Society of Coastal and Ocean Engineers
... the Turkish National Fundamental GPS Network (TNFGN) datum (WGS84) in 2001 in parallel with the increasing use ... transform the existing coordinate information between ED50 and WGS84. The two-dimensional (2D) affine transformation is widely ...
Tópico(s): Inertial Sensor and Navigation
2010 - Academic Journals | Scientific Research and Essays
... for points in geodetic control networks. GPS uses WGS84 (World Geodetic System 1984) as its reference frame. ... system requires determination of the transformation parameters between WGS84 (or ITRF) and the relevant national coordinate system. ...
Tópico(s): Geophysics and Gravity Measurements
2005 - Taylor & Francis | Survey Review
... the global positioning system, World Geodetic System 1984 (WGS84) [or The International Terrestrial Reference Frame (ITRF)] has ... HK80 datums). The transformation of station coordinates between WGS84 and local datums is frequently required. Because of ...
Tópico(s): GNSS positioning and interference
2005 - American Society of Civil Engineers | Journal of Surveying Engineering
Hou Pu Li, Shao Feng Bian, Zhong Mei Li,
... used were given. The comparison between CGCS2000 and WGS84 was carried out. The differences of geodetic coordinates ...
Tópico(s): Advanced Computational Techniques and Applications
2014 - Trans Tech Publications | Applied Mechanics and Materials
Produção Nacional
Revisado por pares
Marcos R. Bornschein, Ricardo Belmonte-Lopes, Luiz Fernando Ribeiro, Giovanni Nachtigall Maurício, Márcio R. Pie,
... W; 900–930 m above sea level; datum WGS84), Reserva Natural Salto Morato, municipality of Guaraqueçaba, state ... 08’09”S, 48°17’59”W (datum WGS84).
Tópico(s): Wildlife-Road Interactions and Conservation
2015 - Q15088586 | Zootaxa
K. E. Kemboi, Patroba Achola Odera,
... which employs World Geodetic System adopted in 1984 (WGS84) as the reference system has extensively been used ... GPS measures ellipsoidal heights above a reference ellipsoid (WGS84). Although these heights can be useful in deformation ...
Tópico(s): Geodetic Measurements and Engineering Structures
2016 - Jomo Kenyatta University of Agriculture & Technology | Journal of Agricultural Science and Technology
Ewelina Czwienczek, Alice Delbianco, Tomasz Kałuski, Svetla Kozelska, Marco Pautasso, Giuseppe Stancanelli, Tramontini Sara, Andrea Baù, Olaf Mosbach‐Schulz, Irene Muñoz Guajardo, Mario Monguidi, Rodrigo P. P. Almeida, Marie‐Agnès Jacques, João Roberto Spotti Lopes, Leonard Nunney, Claude Bragard, Thierry Candresse,
... the publication or derived from Google maps (use WGS84, decimal format) Longitude Longitude as reported in the publication or derived from Google maps (use WGS84, decimal format) Pest description Information about the pest ...
Tópico(s): Plant Pathogens and Fungal Diseases
2018 - Wiley | EFSA Journal
Polina Lemenkova, Olivier Debeir,
... XY Cartesian coordinates into World Geodetic System 1984 (WGS84) by the ‘gdalwarp’ utility; (2) PROJ projection transformation library used for converting ETOPO1 WGS84 grid to cartographic projections (Cassini–Soldner equirectangular, Equal ...
Tópico(s): Geophysics and Gravity Measurements
2023 - Multidisciplinary Digital Publishing Institute | Technologies
Ikechukwu Kalu, Christopher E. Ndehedehe, Onuwa Okwuashi, Aniekan E. Eyoh,
... datum based on the World Geodetic System 1984 (WGS84) ellipsoid. These data usually require a transformation to ... transformation parameters between Minna datum (Clarke 1880) and WGS84 reference ellipsoids for a large region in Southern ...
Tópico(s): Inertial Sensor and Navigation
2021 - Springer Science+Business Media | Modeling Earth Systems and Environment
Youchao Xie, Wenbin Shen, Jiancheng Han, Xiao‐Le Deng,
... 0) are referred to the geoid defined by WGS84 (i.e., the geopotential is 62636851.7 m2s- ... by the second approach. When the reference surface WGS84 geoid is converted to the IHRS geoid, the ...
Tópico(s): Landslides and related hazards
2021 - KeAi | Geodesy and Geodynamics
... to recover the Madagascar cartographic heritage in the WGS84 datum; datum transformations in the Molodensky form are ...
Tópico(s): GNSS positioning and interference
2009 - Springer Science+Business Media | Applied Geomatics
Kazuo Shibuya, Koichiro Doi, Shigeru Aoki,
... 240 m on the World Geodetic System 1984 (WGS84) associated ellipsoid of a tide free Earth at ... be estimated as 22.37 m on the WGS84 ellipsoid. As for error estimate of the above ...
Tópico(s): Geomagnetism and Paleomagnetism Studies
2014 - Springer Nature | Earth Planets and Space
Jianhe Lin, Xiaolei Lv, Rui Li,
... coordinate system, such as World Geodetic System 1984 (WGS84), which usually needs to be transformed to SAR ... replaced by in geographic coordinate system, such as WGS84. Also, the coordinate of the scattering cell, that ...
Tópico(s): Soil Moisture and Remote Sensing
2018 - Institution of Engineering and Technology | IET Radar Sonar & Navigation
Kuangxu Wang, Sijing Ye, Peichao Gao, Xiaochuang Yao, Zuliang Zhao,
... in transforming the coordinates of sample points on WGS84 (The World Geodetic System 1984)-UTM zonal projections to WGS84-Lambert projection coordinates. The effect of the grid ...
Tópico(s): Remote Sensing and LiDAR Applications
2022 - Multidisciplinary Digital Publishing Institute | Remote Sensing
Glendon G. Newsome, Bruce Harvey,
... The reference frame, World Geodetic System of 1984 (WGS84), within which a user ascertains these coordinates is ... about the geoid-ellipsoid separation at the origin. WGS84 coordinates are therefore not compatible with the JAD69. ... island network, forms a fiducial network at which WGS84 coordinates were determined. The two coordinate data sets ... that the Block Shift and Molodensky values transforms WGS84 coordinates to JAD69, accurate to ±1-2m and ...
Tópico(s): Inertial Sensor and Navigation
2003 - Taylor & Francis | Survey Review
Qiong Wu, Jingyu Kang, Shuwen Li, Jianing Zhen, Hongqing Li,
... Province, China. The vertical transformation of EGM2008 from WGS84 to China's CGCS2000 datum and the horizontal ... accuracy, and the geoid correction between CGCS2000 and WGS84 varied from 0.023 m to 0.111 ...
Tópico(s): Inertial Sensor and Navigation
2015 - Multidisciplinary Digital Publishing Institute | Sensors
Bernard Kumi-Boateng, Yao Yevenyo Ziggah,
... on a geocentric ellipsoid (World Geodetic System 1984 (WGS84)) for its geodetic surveys. It is therefore necessary ... These parameters were then used to transform the WGS84 data into the War office system. However, Ghana’ ...
Tópico(s): Historical Geography and Cartography
2016 - | Journal of Geosciences and Geomatics
Merly Constanza Álvarez Machuca, Diego Armando Pulido Nossa, Leidy Janeth Solano Trullo, Fernando Oviedo Barrero,
... la superficie del mar con referencia al elipsoide WGS84 (World Geodetic System), empleando receptores del sistema GNSS ( ... resolución espacial de 500 metros, refiere al elipsoide WGS84 los datums verticales de nivel de agua, y ...
Tópico(s): Environmental and Ecological Studies
2018 - | Boletín Científico CIOH
Gojkovic Zoran, Radojicic Marija, Vulovic Nikola,
... to the global coordinate systems. Global level implies WGS84 ellipsoid and UTM projection while national coordinate system ... Kruger coordinate system ellipsoid Bessel to UTM projection WGS84 ellipsoid and vice versa, and also an application ...
Tópico(s): Inertial Sensor and Navigation
2017 - Faculty of Mining and Geology, Belgrade | Podzemni radovi
... of the ellipsoidal parameters of the WGS72 and WGS84 systems have to be considered if accuracies better ...
Tópico(s): Geophysics and Gravity Measurements
1989 - Cambridge University Press | Antarctic Science