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Most Downloaded Geodesy and Geodynamics Articles

The most downloaded articles from ScienceDirect in the last 90 days.

1. Sedimentary facies interpretation of Gamma Ray (GR) log as basic well logs in Central and Lower Indus Basin of Pakistan

November 2016
Adeel Nazeer | Shabeer Ahmed Abbasi | Sarfraz Hussain Solangi

Rocks and most type of soils emit Gamma Ray (GR) in varying amount. The emitting elements of primary gamma radiations include potassium 40, uranium, and thorium which are associated with rocks forming...

2. Evidences of the expanding Earth from space-geodetic data over solid land and sea level rise in recent two decades

July 2015
Wenbin Shen | Ziyu Shen | Rong Sun | Yuri Barkin

According to the space-geodetic data recorded at globally distributed stations over solid land spanning a period of more than 20-years under the International Terrestrial Reference Frame 2008, our previous...

3. Positioning performance analysis on combined GPS/BDS precise point positioning

January 2020
Jing Xiong | Fei Han

Combining the observation data from five Multi-GNSS Experiment (MGEX) stations with the precise orbit and clock products from Global Positioning System (GPS) and BeiDou Navigation Satellite System (BDS),...

4. Identifying the most explainable fault ruptured of the 2018 Palu-Donggala earthquake in Indonesia using coulomb failure stress and geological field report

July 2020
Endra Gunawan | Sri Widiyantoro | Pepen Supendi | Takuya Nishimura

This study investigates the relation between the Coulomb failure stress of the mainshock with the aftershocks sequence following the 2018 Palu-Donggala earthquake in Indonesia. We calculate the Coulomb...

5. GNSS receiver autonomous integrity monitoring (RAIM) algorithm based on robust estimation

March 2016
Yuanxi Yang | Junyi Xu

Integrity is significant for safety-of-life applications. Receiver autonomous integrity monitoring (RAIM) has been developed to provide integrity service for civil aviation. At first, the conventional...

6. Determination of Istanbul geoid using GNSS/levelling and valley cross levelling data

May 2020
Müge Albayrak | Mustafa Tevfik Özlüdemir | Mohammad Mohseni Aref | Kerem Halicioglu

The Istanbul GPS Triangulation Network (IGTN) and the Istanbul Levelling Network (ILN), established in 2006, provide data for the determination of a local GNSS/levelling geoid model. These networks'...

7. Characterisation and mapping of land subsidence based on geodetic observations in Lagos, Nigeria

March 2020
Femi Emmanuel Ikuemonisan | Vitalis Chidi Ozebo

The pervasive seasonal flooding, aquifer contamination, and saline water intrusion in parts of Lagos are some of the long-term effects of land subsidence caused by the excessive groundwater exploitation...

8. A tectonic geodesy mapping software based on QGIS

January 2020
Zhe Fang | Guoyan Jiang | Caijun Xu | Shuai Wang

To overcome the high cost of learning, non-visual operation, and cumbersome steps of fine-tuning map elements in Generic Mapping Tools (GMT) and other geoscience mapping softwares, we present the Tectonic...

9. Damping modification factors for acceleration response spectra

September 2017
Heng Li | Feng Chen

DMF (Damping modification factors) are used to modify elastic response spectral values corresponding to damping ratio 5% to other damping levels. The influence of seismological parameters (magnitude,...

10. Geodetic slip rate and locking depth of east Semangko Fault derived from GPS measurement

May 2020
Satrio Muhammad Alif | Erlangga Ibrahim Fattah | Munawar Kholil

65 km Semangko Fault is part of southern segments of Sumatran Fault Zone (SFZ) which is complex corresponds to the transition from the strike-slip regime of the SFZ to the normal faulting tectonics...

11. Remote sensing ionospheric variations due to total solar eclipse, using GNSS observations

May 2020
Mohamad Mahdi Alizadeh | Harald Schuh | Saeed Zare | Sahar Sobhkhiz-Miandehi | Lung-Chih Tsai

For years great interest has been taken in the effects of physical phenomena on ionosphere structure. A total solar eclipse was visible in North America on August 21st, 2017. This event offered a great...

12. Geostatistical evaluation of spatial variability of land subsidence rates in Lagos, Nigeria

September 2020
Femi Emmanuel Ikuemonisan | Vitalis Chidi Ozebo | Olawale Babatunde Olatinsu

Accurate land subsidence prediction is fundamental for effective management of land subsidence and other associated geohazards. Lagos, the most densely populated city in Nigeria, has been adversely...

13. Determination of NavIC differential code biases using GPS and NavIC observations

March 2020
K. Siva Krishna | D. Venkata Ratnam

Delay bias between the pseudo range code is called Differential Code Bias (DCB), this is one of the main error sources to estimate the precise Total Electron Content (TEC) in ionosphere. Differential...

14. Earthquake hazard on Iraqi soil: Halabjah earthquake as a case study

May 2019
Abbas J. Al-Taie | Bushra S. Albusoda

Iraq is not secure from seismic hazards. Earthquakes are likely to happen and may cause substantial damage. Actually, such hazards were happened and recorded after the last earthquake in November 2017...

15. Petrophysical relationship for density prediction using Vp & Vs in Meyal oilfield, Potwar sub-basin, Pakistan

March 2018
Gulraiz Akhter | Younis Khan | Anees Ahmad Bangash | Faisal Shahzad | Yawar Hussain

Conventional petrophysical investigations are based on P-wave seismic velocity analysis to predict density information, while ignoring the important S-wave velocity. This study is based on S-wave velocity...

16. Morphological features of continental shelf margin: Examples from the Pakistan Offshore

January 2019
Sarfraz Hussain Solangi | Adeel Nazeer | ShabeerAhmed Abbasi | Mian Muhammad Zulkifil

This paper describes various morphological features of continental shelf and their present-day analogues both present in surface and subsurface data. Most of the examples are taken from Pakistan Offshore....

17. Present-day crustal deformation revealed active tectonics in Yogyakarta, Indonesia inferred from GPS observations

March 2020
Nurrohmat Widjajanti | Cecep Pratama | Parseno | T. Aris Sunantyo | Leni Sophia Heliani | Bilal Ma'ruf | Dedi Atunggal | Dwi Lestari | Hilmiyati Ulinnuha | Arinda Pinasti | Riska Fajrul Ummi

We investigated the active crustal structure in Yogyakarta, Indonesia, using new and denser Global Positioning System (GPS) data. Deformation rate estimated from five years (2013–2018) of observations...

18. Seismic hazard assessment of the Three Gorges Project

May 2013
Yao Yunsheng | Wang Qiuliang | Li Jinggang | Shen Xueling | Kong Yuyang

Seismic monitoring data for the past 50 years in the Three Gorges Reservoir area show that the reservoir head area is a typical weak seismic region with low seismicity before impoundment and that the...

19. Studies on earthquake precursors in China: A review for recent 50 years

January 2017
Fuqiong Huang | Mei Li | Yuchuan Ma | Yanyan Han | Lei Tian | Wei Yan | Xiaofan Li

Since the 1960s, China has been conducting a persistent and systematic observation and monitoring experiment to falsify the hypothesis of premonitory anomalies and the predictability of earthquakes...

20. Complex of general seismic zoning maps OSR-2017 of Uzbekistan

July 2020
Turdali Usmanalievich Artikov | Roman Solomonovich Ibragimov | Tatyana Lyudvigovna Ibragimova | Myurodjon Аbdyurahimdjanovich Mirzaev

The quantitative assessment of seismic hazard of Uzbekistan has been examined, and new maps of seismic zoning has been developed. Quasihomogeneous seismological areas and seism-generating zones are...

21. Optimizing the Global Digital Elevation Models (GDEMs) and accuracy of derived DEMs from GPS points for Iraq's mountainous areas

September 2020
Shazad Jamal Jalal | Tajul Ariffin Musa | Taher Hama Ameen | Ami Hassan Md Din | Wan Anom Wan Aris | Jwan Mohammad Ebrahim

Optimizing the combined horizontal and vertical accuracy of the well-known Global Digital Elevation Models (GDEMs) of various resolutions for each country and region especially in Iraq's mountainous...

22. The usability of GNSS mass-market receivers for cadastral surveys considering RTK and NRTK techniques

July 2019
Paolo Dabove

Nowadays many positioning techniques and methods are applied to the cadastral surveys. Starting from last decade, GPS/GNSS positioning had become one of the most used methodology thanks to the rapid...

23. Depositional setting analysis using seismic sedimentology: Example from the Paleogene Lishagang sequence in the Fushan depression, South China Sea

September 2017
Yuan Li | Song Lin | Hua Wang | Denggui Luo

The Fushan depression is a classic lacustrine rifted sub-basin in the Beibuwan Basin, South China Sea. The Paleogene Liushagang sequence is the main hydrocarbon-bearing stratigraphic unit in the depression....

24. Useful predictions ahead of large earthquakes and lessons learned for future progress

January 2020
Ragnar Stefánsson

A significant basis for this article is the outcome of 4 multinational research projects which were carried out in South-West Iceland from 1988–2006, focusing on crustal processes that preceded two...

25. Performance evaluation of neural network TEC forecasting models over equatorial low-latitude Indian GNSS station

May 2020
G. Sivavaraprasad | V.S. Deepika | D. SreenivasaRao | M. Ravi Kumar | M. Sridhar

Global Positioning System (GPS) services could be improved through prediction of ionospheric delays for satellite-based radio signals. With respect to latitude, longitude, local time, season, solar...

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