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Establishing a Reference Network in Parts of Amhara Region, Ethiopia Geodetic GPS Equipment
KTH, School of Architecture and the Built Environment (ABE), Urban Planning and Environment, Geodesy and Satellite Positioning.
KTH, School of Architecture and the Built Environment (ABE), Urban Planning and Environment, Geodesy and Satellite Positioning.
2009 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Since a reform regarding land use became valid in 1975 in Ethiopia, the farmers got

long term rights to land owned by the state. In the beginning of the 2000’s a land

administration project, Sida - Amhara Rural Development Program, SARDP, was

initiated in the Amhara region, with the aim to survey, map and register the land parcels

on their holders. This reform resulted in unpredictable difficulties concerning land

partitioning and border determination. The problems originated from the fact that the

existing reference network, which is a basic condition for determination of location,

lacks in availability, precision and number of points.

The purpose of this project was to create a reliable, accurate reference system integrated

with the existing local reference system, accessible for everyone without any charges.

The new established reference network consisting of 12 points was created in east and

west Gojam region, in an area with approximately 140 km in east-west direction and 160

km in north-south direction.

This master thesis is a description of how this particular reference network was made. It

was carried out during 10 weeks as a Minor Field Study in the fall of 2008, in parts of

the Amhara region, Ethiopia.

For data collection 3 hours long static GPS measurements were performed in four

sessions with Leica 1200 receivers. An IGS station and a CORS station located in Addis

Ababa and in the town of Jima respectively were used as reference stations in the data

processing. To achieve higher accuracy ionospheric correction files and precise satellite

orbit data were imported for the processing.

The result of the project is presented in both geodetical and Cartesian coordinates, in the

frames of IGS05 and ITRF05 in the measurement epoch as well as in the standard epoch

of year 2000. The results will also be presented in the national system Adindan

UTM37N, which were transformed from IGS05 using a given parameter set from the

Ethiopian Mapping Authority, EMA.

Place, publisher, year, edition, pages
2009.
Series
TRITA-GIT EX ; 09-12
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-199678OAI: oai:DiVA.org:kth-199678DiVA, id: diva2:1064940
Supervisors
Available from: 2017-01-19 Created: 2017-01-13 Last updated: 2017-01-19Bibliographically approved

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