Accuracy Assessment of TanDEM-X DEM and Global Geopotential Models for Geoid Modeling in the Southern Region of Peninsular Malaysia

2018 ◽  
pp. 91-100 ◽  
Author(s):  
Muhammad Faiz Pa’suya ◽  
Ami Hassan Md Din ◽  
Zulkarnaini Mat Amin ◽  
Noradila Rusli ◽  
Amir Hamzah Othman ◽  
...  
Keyword(s):  
Accuracy Assessment ◽  
Peninsular Malaysia ◽  
Southern Region ◽  
Geopotential Models

scholarly journals Development of Temporal Rainfall Pattern for Southern Region of Sarawak

2012 ◽  
Vol 3 ◽  
pp. 17-23 ◽  
Author(s):  
Rosmina A. Bustami ◽  
Nor Azalina Rosli ◽  
Jethro Henry Adam ◽  
Kuan Pei Li
Keyword(s):  
Temporal Pattern ◽  
Rainfall Intensity ◽  
Peninsular Malaysia ◽  
Southern Region ◽  
Rainfall Pattern ◽  
Rainfall Duration ◽  
Design Rainfall ◽  
Average Rainfall ◽  
Urban Storm ◽  
Australian Rainfall

 In the process of a design rainfall, information on rainfall duration, average rainfall intensity and temporal rainfall pattern is important. This study focuses on developing a temporal rainfall pattern for the Southern region of Sarawak since temporal pattern for Sarawak is yet to be available in the Malaysian Urban Storm Water Management Manual (MSMA), which publishes temporal pattern for design storms only for Peninsular Malaysia. The recommended technique by the Australian Rainfall and Runoff (AR&R) known as the ‘Average Variability Method’ and method in Hydrological Procedure No.1-1982 are used to derive design rainfall temporal pattern for the study. Rainfall data of 5 minutes interval from year 1998 to year 2006 for 7 selected rainfall stations in the selected region is obtained from Department of Irrigation and Drainage (DID). The temporal rainfall patterns developed are for 10 minutes,15 minutes, 30 minutes, 60 minutes, 120 minutes, 180 minutes and 360 minutes duration. The results show that Southern region of Sarawak has an exclusive rainfall pattern, which is different from the pattern developed for Peninsular Malaysia.

scholarly journals Spatial Analysis of the Air Pollutant Index in the Southern Region of Peninsular Malaysia Using Environmetric Techniques

2013 ◽  
pp. 307-312 ◽  
Author(s):  
Azman Azid ◽  
Hafizan Juahir ◽  
Ahmad Zaharin Aris ◽  
Mohd Ekhwan Toriman ◽  
Mohd Talib Latif ◽  
...  
Keyword(s):  
Spatial Analysis ◽  
Peninsular Malaysia ◽  
Air Pollutant ◽  
Southern Region

scholarly journals Green Initiatives, Cost-Cutting, and Crime Control for Successful Residential Developments in Malaysia

2018 ◽  
Vol 2 (1) ◽  
pp. 59-62 ◽  
Author(s):  
William Wee-Lim Hew ◽  
Siok-Hwa Lau ◽  
Gerald Guan-Gan Goh
Keyword(s):  
Crime Control ◽  
Structural Features ◽  
Peninsular Malaysia ◽  
Southern Region ◽  
Residential Property ◽  
Property Market ◽  
Cost Cutting ◽  
Residential Developments ◽  
Innovative Approaches ◽  
Property Developers

The Malaysian residential property market is currently in a state of stagnation and overhang has become a serious concern. Discussions were held with property developers in the southern region of Peninsular Malaysia to elaborate the problems faced in operating in the industry as well as their causes. Several developers who were found to perform well under the slumping market. From the discussions, they were found to have taken innovative approaches to housing, offering houses based on eco-concepts, space optimisation, security through layout management, as well as structural features that appeal to the lifestyle needs of current homebuyers.

scholarly journals Accuracy assessment of GOCE-based geopotential models and their use for modelling the gravimetric quasigeoid - A case study for Poland

2014 ◽  
Vol 63 (1) ◽  
pp. 3-24 ◽  
Author(s):  
Walyeldeen Godah ◽  
Malgorzata Szelachowska ◽  
Jan Krynski
Keyword(s):  
Gravity Field ◽  
Ocean Circulation ◽  
Accuracy Assessment ◽  
Gravity Anomalies ◽  
Geopotential Model ◽  
Satellite Gravity ◽  
Earth Gravity ◽  
Geopotential Models ◽  
Gravimetric Quasigeoid ◽  
Gravity Signal

Abstract The GOCE (Gravity Field and Steady-State Ocean Circulation Explorer) has significantly upgraded the knowledge on the Earth gravity field. In this contribution the accuracy of height anomalies determined from Global Geopotential Models (GGMs) based on approximately 27 months GOCE satellite gravity gradiometry (SGG) data have been assessed over Poland using three sets of precise GNSS/levelling data. The fits of height anomalies obtained from 4th release GOCE-based GGMs to GNSS/levelling data were discussed and compared with the respective ones of 3rd release GOCE-based GGMs and the EGM08. Furthermore, two highly accurate gravimetric quasigeoid models were developed over the area of Poland using high resolution Faye gravity anomalies. In the first, the GOCE-based GGM was used as a reference geopotential model, and in the second - the EGM08. They were evaluated with GNSS/levelling data and their accuracy performance was assessed. The use of GOCE-based GGMs for recovering the long-wavelength gravity signal in gravimetric quasigeoid modelling was discussed.

scholarly journals NETWORK DGPS ACCURACY ASSESSMENT AT WEST COAST PENINSULAR MALAYSIA

2021 ◽  
Vol 6 (24) ◽  
pp. 301-311
Author(s):  
Muhammad Farid Mohd Yazair ◽  
Tajul Ariffin Musa ◽  
Wan Anom Wan Aris ◽  
Ivin Amri Musliman ◽  
Abdullah Hisam Omar
Keyword(s):  
West Coast ◽  
Error Propagation ◽  
Accuracy Assessment ◽  
Single Point ◽  
Peninsular Malaysia ◽  
The West ◽  
Single Point Positioning ◽  
Positioning Method ◽  
Point Positioning ◽  
Dependent Error

Maritime safety of navigation is essential for maritime activities especially when approaching the harbor. One of the important aspects in safety of navigation is positioning accuracy which the accuracy should less than 5 meters as recommended by IALA. Such accuracy can be provided by DGPS services. Nevertheless, the DGPS accuracy is bound to distance-dependent error due to uncorrelated errors between reference and rover station. By implementing the network-based DGPS technique, this issue however can be expected to be improved. This issue can be overcome by implementing the network-based DGPS technique to the positioning method. Hence, multiple of CORS in Peninsular Malaysia and Sumatran Indonesian were utilized to generate the network-based DGPS corrections based on LIM to cover the west coast of Peninsular Malaysia. The single point positioning, DGPS and network-based DGPS solutions were being compared with known points to determine the reliability of positioning in marine activities. The accuracy shows that the DGPS and network-based DGPS are better compared to single point positioning with below than 15m and 20m respectively. Meanwhile, the DGPS technique clearly had shown the distance-dependent error propagation in positioning. This paper presents on the accuracy and efficiency of network DGPS technique in reducing the distance-dependent error in DGPS positioning.

scholarly journals Influence of Meteorological Variables on Suburban Atmospheric PM2.5 in the Southern Region of Peninsular Malaysia

2020 ◽  
Vol 20 (1) ◽  
pp. 14-25 ◽  
Author(s):  
Nadhira Dahari ◽  
Mohd Talib Latif ◽  
Khalida Muda ◽  
Norelyza Hussein
Keyword(s):  
Peninsular Malaysia ◽  
Southern Region ◽  
Meteorological Variables ◽  
Atmospheric Pm2.5

scholarly journals Gis-Based Accuracy Assessment of Global Geopotential Models: A Case Study of Egypt

2018 ◽  
Vol 7 (4) ◽  
pp. 118-124 ◽  
Author(s):  
Ahmed El Shouny ◽  
Essam M. Al-Karagy ◽  
Hoda F. Mohamed ◽  
Gomaa M. Dawod
Keyword(s):  
Accuracy Assessment ◽  
Geopotential Models
Sign in / Sign up

Export Citation Format

Share Document