-
Estimation of vertical datum offset for the south african vertical datum, in relation to the international height reference system = Ocena razlik med višinskim datumom južne afrike in datumom mednarodnega višinskega referenčnega sistemaMatthews Siphiwe, Mphuthi ; Patroba Achola, OderaThe vertical offset and the geopotential value over South Africa is estimated on the four fundamental benchmarks in relation to the international height reference system (IHRS). It is estimated to ... obtain discrepancies between the South African local vertical datum (WP) and the global vertical datum (W0 ). A single-point-based geodetic boundary value problem (GBVP) approach was used following Molodensky theory for estimating the height anomalies from the disturbing potential (TP ) using Bruns%s formula. The gravity potential at each tide gauge benchmark (TGBM) in South Africa deviates from the potential of the global reference surface by 0.589,-1.993,-2.593 and 2.154 m2 s -2 for Cape Town, Port Elizabeth, East London and Durban, respectively. The corresponding vertical datum offsets between the international height reference system and the four fundamental benchmarks over South Africa are 6.013, -20.347, -26.478, and 21.996 cm for Cape Town, Port Elizabeth, East London and Durban, respectively. These offsets can be used for the unification of the South African vertical datum at the four tide gauge benchmarks in a manner that is consistent to the international height reference system.Source: Geodetski vestnik : glasilo Zveze geodetov Slovenije = Journal of the Association of Surveyors of Slovenia. - ISSN 0351-0271 (Letn. 65, št. 2, 2021, str. 282-297)Type of material - article, component partPublish date - 2021Language - englishCOBISS.SI-ID - 70809347
Author
Matthews Siphiwe, Mphuthi |
Patroba Achola, Odera
Topics
geoid, kvazigeoid, težnostni potencial, višinski datum, moteči potencial, anomalija višine |
geoid |
quasigeoid |
geopotential |
vertical datum |
disturbing potential |
height anomaly |
geoid |
kvazigeoid |
težnostni potencial |
višinski datum |
moteči potencial |
anomalija višine
![loading ... loading ...](themes/default/img/ajax-loading.gif)
![loading ... loading ...](themes/default/img/ajax-loading.gif)
![loading ... loading ...](themes/default/img/ajax-loading.gif)
![loading ... loading ...](themes/default/img/ajax-loading.gif)
Shelf entry
Permalink
- URL:
Impact factor
Access to the JCR database is permitted only to users from Slovenia. Your current IP address is not on the list of IP addresses with access permission, and authentication with the relevant AAI accout is required.
Year | Impact factor | Edition | Category | Classification | ||||
---|---|---|---|---|---|---|---|---|
JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Select the library membership card:
DRS, in which the journal is indexed
Database name | Field | Year |
---|
Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
---|---|
Matthews Siphiwe, Mphuthi | ![]() |
Patroba Achola, Odera | ![]() |
Select pickup location:
Material pickup by post
Notification
Subject headings in COBISS General List of Subject Headings
Select pickup location
Pickup location | Material status | Reservation |
---|
Please wait a moment.