Efficiency of using GNSS-PPP for digital elevation model (DEM) production

• Autorzy: Abdallah Ashraf , Saifeldin Amgad , Abomariam Abdelhamid , Ali Reda

Identyfikatory

DOI

10.2478/arsa-2020-0002

• Języki publikacji: EN

Abstrakty

EN

In the developing countries, cost-effective observation techniques are very important for earthwork estimation, map production, geographic information systems, and hydrographic surveying. One of the most cost-effective techniques is Precise Point Positioning (PPP); it is a Global Navigation Satellite Systems (GNSS) positioning technique to compute precise positions using only a single GNSS receiver. This study aims to evaluate the efficiency of using Global Positioning System (GPS) and GPS/ Globalnaya Navigatsionnaya Sputnikovaya Sistema (GLONASS) post-processed kinematic PPP solution for digital elevation model (DEM) production, which is used in earthwork estimation. For this purpose, a kinematic trajectory has been observed in New Aswan City in an open sky area using dual-frequency GNSS receivers. The results showed that, in case of using GPS/GLONASS PPP solution to estimate volumes, the error in earthwork volume estimation varies between 0.07% and 0.16% according to gridding level. On the other hand, the error in volume estimation from GPS PPP solution varies between 0.40% and 0.99%.

Słowa kluczowe

EN

precise point positioning; GNSS; GPS/GLONASS; DEM; CSRS-PPP

• Wydawca: Centrum Badań Kosmicznych PAN ; De Gruyter
• Czasopismo: Artificial Satellites : Journal of Planetary Geodesy
• Rocznik: 2020
• Tom: Vol. 55, No. 1
• Strony: 17--28
• Opis fizyczny: Bibliogr. 20 poz., rys., tab.

Twórcy

autor

Abdallah Ashraf

• Department of Civil Engineering, Faculty of Engineering, Aswan University, Aswan, Egypt

autor

Saifeldin Amgad

• Department of Construction and Building Engineering, Arab Academy for Science, Technology and Maritime Transport, Aswan, Egypt

autor

Abomariam Abdelhamid

• Department of Civil Engineering, Mattraia, Helwan University, Cairo, Egypt

autor

Ali Reda

• Department of Civil Engineering, Mattraia, Helwan University, Cairo, Egypt

Bibliografia

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• Websites:
• GAPS-PPP (2019): GNSS Analysis and Positioning Software, ©University of New Brunswick, Available at: http://gaps.gge.unb.ca/, Access on 19th July, 2019.
• APPS-PPP (2019): Automatic Precise Positioning Service, Jet Propulsion Laboratory, California Institute of Technology. Available at: http://apps.gdgps.net/, Access on 19th July, 2019.
• CSRS-PPP (2019): The Canadian Spatial Reference System (CSRS) Precise Point Positioning (PPP). Available at: https://webapp.geod.nrcan.gc.ca/geod/tools-outils/ppp.php, Access on 19th July, 2019.
• magicGNSS (2019): magicGNSS web service, Available at: https://magicgnss.gmv.com/, Access on 19th July, 2019.

Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).