Gravimetric Geoid Modeling by Stokes and Second Helmert’s Condensation Method in Yogyakarta, Indonesia

Gravimetric Geoid Determination by Using Terrestrial and Satellite-derived Data

Being a fundamental vertical reference surface, the use of the geoid is not limited to geodesy/geodetic applications. It is also used, but not limited to, in geophysics (i.e. interpretation of the Earth’s internal structure, solid earth science), geology (i.e. subsurface delineation), oceanography, and mapping/geographic information systems (GIS)/national spatial development infrastructure (NSD...

A Gravimetric Geoid Model as a Vertical Datum in Canada

The need for a new vertical datum in Canada dates back to 1976 when a study group at the Geodetic Survey Division (GSD) of Natural Resources Canada investigated problems related to the existing vertical reference system (CGVD28) and recommended a redefinition of the vertical datum. The US National Geodetic Survey and GSD cooperated in the development of a new North American Vertical Datum (NAVD...

Global Geoid Modeling and Evaluation

Incidence of childhood leukemia in Yogyakarta, Indonesia, 1998-2009.

BACKGROUND In most developing countries, incidence data for childhood cancers are less reliable, because very few population-based registries exist. The aim of this study was to present the epidemiology of childhood leukemia in the Dr. Sardjito Hospital (DSH) region, which catchment area extends beyond the boundaries of the Yogyakarta Special Province (YSP). PROCEDURE Health records of childr...

Urban Sprawl, Farming Prospects and Sustainability of Yogyakarta City, Indonesia

The objectives of the study are: (1) to analyze the impact of urban sprawl on farmland conversion by using landsat data, (2) to analyze the impact of land conversion on food supply and food security, (3) to understand the prospect of farming activities in the fringe area of Yogyakarta, and (4) to find implication of urban sprawl towards sustainability of Yogyakarta city. The study shows that ur...