Hi Solomon Is there a GX for using the SPI method? I don't think I have that extension in geosoft.
On Fri, May 1, 2015 at 9:45 AM, solomonjanjaro <[email protected]> < [email protected]> wrote: > Try source parameter imaging > Solomon Nehemiah Yusuf > PhD student > On 1 May 2015 17:27, "Doug Perkin <[email protected]>" < > [email protected]> wrote: > >> Hi >> >> I have been trying various source depth estimation methods for grids of >> potential field data and wanted to start a discussion on which methods tend >> to provide better solutions for gravity vs aeromag. I am usually >> interested in sub vertical or dipping contacts, so for magnetics I have >> tried a structural index of 0 or 1 and for Gravity I have tried 0 and -1 >> using the USGS special function depth analysis GX. I have also tried Euler >> with various window sizes. >> >> The local wavenumber method using the USGS GX was interesting because it >> actually provides estimates of the structural index for various anomalies; >> however that method tended to give a lot more noise and was in places >> giving me a structural index of 3 when the RTP grid clearly did not look >> like a magnetic dipole source. >> >> Does anyone have experience with these depth estimation methods? Which >> methods tend to give more reliable solutions for a vertical or dipping >> contact using aeromag? And which methods tend to provide better solutions >> for a vertical or dipping contact using gravity? Any advice or discussion >> on these methods would be much appreciated >> >> Regards, >> Doug >> >> >> >> --- >> >> Forum archives can be accessed here: >> http://lyris.geosoft.com/read/?forum=geonet >> <http://lyris.geosoft.com/read/?fourm=geonet> >> >> You are currently subscribed to geonet as: [email protected]. >> >> To subscribe or unsubscribe from any of our forums, select the User Forum >> selection on the Geosoft Community page: >> http://www.geosoft.com/support/community/forums/register/ >> > --- > > Forum archives can be accessed here: > http://lyris.geosoft.com/read/?forum=geonet > <http://lyris.geosoft.com/read/?fourm=geonet> > > You are currently subscribed to geonet as: [email protected]. > > To subscribe or unsubscribe from any of our forums, select the User Forum > selection on the Geosoft Community page: > http://www.geosoft.com/support/community/forums/register/ > --- Forum archives can be accessed here: http://lyris.geosoft.com/read/?forum=geonet You are currently subscribed to geonet as: [email protected]. To subscribe or unsubscribe from any of our forums, select the User Forum selection on the Geosoft Community page: http://www.geosoft.com/support/community/forums/register/
