احمد صابر طه متولى سليمان
مدرس
Refinement of the Kuwait geoid using the modified Stokes’ kernel and Airy-Heiskanen isostatic reduction for GIS and geomatics applications
The Egyptian Journal of Remote Sensing and Space Science • 2023
معلومات البحث
المؤلفون
Ahmed Zaki ,
Hamad Al-Ajami , Mostafa Rabah , Ahmed Saber , Mohamed El-Ashquer
الكلمات المفتاحية
Geoid
GIS
Geomatic
Gravity
GNSS/leveling
Kuwait
المجلة العلمية
The Egyptian Journal of Remote Sensing and Space Science
الناشر
Not Available
المجلد
26
العدد
2
الصفحات
333-340
publication.type
Local
رابط البحث
Open Link
المواد المرفقة
Not Available
الملخص
Orthometric heights are important for various applications such as GIS, geomatics, engineering, and geoscience.
The ellipsoidal heights can be computed by Global Navigation Satellite System (GNSS) as an accurate,
rapid, and efficient method for height determination. The accurate geoid is essential to convert the
ellipsoidal heights from GNSS to orthometric heights. The research developed a new geoid called ‘‘KWFWGM202200
specifically for Kuwait. We used a composite global geopotential model from SPW R5 with
EGM2008 and the digital elevation model from SRTM1. The Wong and Gore modified with AiryHeiskanen
topographic-isotactic reduction were used to compute the geoid model. To assess the accuracy
of the KW-FWGM2022 geoid, GNSS/leveling stations were used and the assessment showed that the
model’s accuracy was better than 1.8 cm as a standard deviation. This demonstrates that the KWFWGM2022
geoid model is highly accurate and suitable for use in various GIS and Geomatics applications
in Kuwait.
The ellipsoidal heights can be computed by Global Navigation Satellite System (GNSS) as an accurate,
rapid, and efficient method for height determination. The accurate geoid is essential to convert the
ellipsoidal heights from GNSS to orthometric heights. The research developed a new geoid called ‘‘KWFWGM202200
specifically for Kuwait. We used a composite global geopotential model from SPW R5 with
EGM2008 and the digital elevation model from SRTM1. The Wong and Gore modified with AiryHeiskanen
topographic-isotactic reduction were used to compute the geoid model. To assess the accuracy
of the KW-FWGM2022 geoid, GNSS/leveling stations were used and the assessment showed that the
model’s accuracy was better than 1.8 cm as a standard deviation. This demonstrates that the KWFWGM2022
geoid model is highly accurate and suitable for use in various GIS and Geomatics applications
in Kuwait.