Uganda KTH Geoid (2015)

Ronald Ssengendo has completed his PhD thesis entitled "A height datum for Uganda based on a gravimetric quasigeoid model and GNSS/levelling". His thesis was submitted to Division of Geodesyand Satellite Positioning, Royal Institute of Technology (KTH), Stockholm Sweden. Ssengendo PhD work was supervised by Professor Sjoberg and Professor Hossein Nahavandchi of NTNU Norway sit as his examiner (or known as faculty opponent in KTH). One major contribution of SsengendoPhD is the creation of new Uganda Gravimetric Quasigeoid Model 2014 (UGQ2014). The quasigeoid was computed using KTH GeoLab geoid package.

Ssengendo PhD thesis can be downloaded here - diva-portal.

Ssengendo during his participation in  UTM-KTH Geoid School 2012

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Bacaan Marine Geoid (2014)

Bidang marine geoid nampaknya akan mulai diteroka oleh kumpulam penyelidik baru kelompok marine geodesy. Perkara pertama yang perlu diusahakan ialah mengumpul seberapa banyak bacaan tentang topik berkenaan. Satu paper yang sempat diakses berjudul "Evolution of geoids in recent years and its impact on oceanography". Paper ditulis oleh Marco Talone, Marco Meloni dan tiga penulis lain terbit pada 2014.

Paper tersebut boleh didownload dari sini - scientia marina.

Cheinway Hwang telah menerbitkan paper "Global mean sea surface and marine gravity anomaly from multi-satellite altimetry: applications of deflection-geoid and inverse Vening Meinesz formulae". Paper beliau terbit dalam Journal of Geodesy pada 2002.
Hwang (2002) boleh didownload dari sini - springer.

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Bengkel Penyediaan Proposal GUP

Sepanjang hari ini Girg mengadakan Bengkel Penyediaan Proposal GUP yang disertai oleh beberapa ahli berserta pelajar pasca siswazah geodesi. Sejumlah tiga proposal telah dibincangkan meliputi tajuk berkaitan Food Security Surveilance, Marine Geoid dan Assessment of Goce GGMs.

Sesi pembentangan latar belakang topik cadangan

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Croatia Geoid - HRG2009 (2014)

Croatia newest high resolution geoid model is HRG2009 developed by Tomislav Basic & Olga Bjelotomic, both from Faculty of Geodesy, Zagreb University. A publication describing development of HRG2009 can be found in book: Gravity, Geoid and Height Systems, Proceedings of the IAG Symposium GGHS2012, October 9–12, 2012, Venice, Italy.

The paper can be download here - IAG Vol 141 dan IAG Venice.

HRG2009 is a gravimetric geoid model for Croatia. It covers the entire territory of Croatia ranging between 42° and 46.6° in latitude, and between 13.0° and 19.5° in longitude, with a grid resolution of 30"x45". It is referred to the GRS80 ellipsoid in the Croatian HTRS96 datum. Data from terrestrial gravimetry and from satellite altimetry for the area of the Adriatic Sea were used. The model was computed by least-squares collocation in the framework of a remove-restore procedure. In particular the long-wavelenght part is derived from the EGM2008 global geopotential model, while the short-wavelenght part is mainly taken from a digital terrain model of 4"x5" obtained from 3"x3" SRTM data. The accuracy assessment of the HRG2009 model was performed by comparing it with 59 GNSS/levelling control stations, which were not used in calculations. The resulting differences have a standard deviation of 3.5 cm over the whole computation area, thus significantly improving the standard deviation of 11.4 cm obtained with the previous national geoid model HRG2000.

Source - igs.

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Anugerah Akademik Negara 2015

KPT telah mengumumkan pemenang Augerah Akademik Negara 2015 yang disiar dalam akhbar pada 16/9/2015.

Akhbar Star 16/9/2015

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GPR Training Exercise

The UKK Lab of FGHT has purchased a new GPR equipment at a price of Rm130k. The purchase price includes training session for three days at UTM Skudai. The training were attended by a number of academic staff as well as laboratory assistants. I could not attended the session on Sunday morning due to Sghu 4863 lecture schedule but managed to join the afternoon session.

GPR training session

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What's next after GOCE?

GOCE mission of gravimetry satellite was ended in 2013. The same Goce team has since then started working on the next generation of earth observing satellite as for future mission of gravimetry. One recent PhD thesis has been written describing about the research done for this purpose. The thesis entitled "Virtual constellations of next generation gravity missions" was written by Michael Murbock. The work was supervised by Goce team members - Professors Roland Pail and Reiner Rummel in collaboration with Dr Thomas Gruber. The thesis was submitted to TU Muenchen in February 2015 and defended in June 2015.

The thesis can be download here - dgk.

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