I am looking for gravity data with high resolution on the Red Sea Rifted Margin (Lat 22-27, Long 33-38), I've downloaded data from the XYZ data website with a resolution of 1.82 km, unfortunately, it is not good enough to achieve my objectives!!. So If anyone knows another source I will be grateful.
Hi Moamen,
I am not sure if there are any sources of processed and gridded high resolution gravity data for the Red Sea region - this might exist in a national data archive or academic institutions?
Having said that, there are a few sources of raw and processed ship-bourne data available - but I always check the US ngdc/NOAA database first (https://maps.ngdc.noaa.gov/viewers/geophysics/), and tend to find this sufficient for most needs. The ngdc database tends to archive data from research cruises carried out by various research groups, and is the most comprehensive to my knowledge (you can get pretty much any marine geophysical data you could want). There is a user-friendly map browser, and you can normally extract data from research cruises in the region for free, as long as the data are not embargoed. You will then have to check if/how the data are processed, merge them, and grid them into a useable dataset. There may be regions where you can achieve a resolution that is sub-kilometer, but it really depends on the trackline spacing!
If you have access to other sources (airborne, land for the sea margins?) then you may be able to integrate the various datasets to improve the dataset resolution further.
Good luck with getting your hands on appropriate datasets, and with your research!
You need to go onboaed a ship with Lacoste-Romberg or Worden gravimeter but you need to be aware of all the corrections before best data and after data collection. There are other side measurements and calculation needed for corrections. Read the manual on the instrument weeks before setting off. Check also Geophysical Books by Teflord and Parasnis.
Dear Dr. Matthew James Funnell
Thank you for your help and answer. I appreciate it.
Regards,
Moamen
Dear Dr. Matthew Afolabi
Thank you for adding your answer. but I don't have enough funds and time to collect gravity data by myself which should be covered all the Northern Red Sea!
Regards,
Moamen
This website might help also
http://bgi.obs-mip.fr/data-products/gravity-databases/land-gravity-data/
Good luck
Dear Dr. Hardy Medry Dieu-Veill Nkodia
Thank you for your help.
Regards,
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