What is meant by Anomaly degree variances of Global Geopotential Models?

More Abd-Elrahim Ruby's questions See All

Is there a simple method to use pslegend (GMT) to create a legend for 2-D plot?

I am new for Generic Mapping Tool (GMT), but I would like to work through a few simple examples of generating legends (ie. multiple points or lines plotted on a single figure using psxy). In the...

03 April 2018 8,955 4 View

How to use high precise geoid for mineral exploration?

Recently, many scientific applications such as: In geology, the inversion of the geoid is used for Petroleum Exploration. I am looking for studies and research in this field

31 December 2017 7,949 5 View

How to limit a specific area in order to have a topographic 3D map using MATLAB?

I have a special grid* (data.gri ) free format, the grid values are initiated with label of latitude (φ) and longitude (λ) limits and spacing, the follows the data are stored row-wise from north...

04 May 2017 2,945 1 View

What is the difference between "Root Mean Square" and "standard deviation"?

Can anyone help me to explain what the difference between Root Mean Square and standard deviation.

08 September 2016 7,816 3 View

How to overcome this error “Runtime error M6104: MATH floating point error: overflow”?

I am dealing with the code Fortran77 and i am receiving the above massage also I am using Microsoft Developer Studio (Fortran PowerStation) and my computer 32-bit (operating system windows 7)

01 February 2016 3,612 2 View

What are different sites for downloading Digital Building Models (DBMs) ?

I’m looking for a Digital Elevation Digital Building Model or 3d of Building

31 December 2015 8,626 0 View

What are the different sites for downloading best resolution (below 20 m) for free remote sensing imagery?

I am looking for satellite image used for academic purposes

10 November 2015 9,107 9 View

How to convert “raster/image” of digital elevation models (DEM) into “Grid elevation format”?

I have a raster DEM I would like to convert into Grid format

08 September 2015 1,125 5 View

How to run this program "gravity anomaly or gravity in GRS80"?

This program used for computes the gravity anomaly or gravity in GRS80 programmed 1999-01-28, last change 1999-05-17 by Tscherning see attached to Download program (programs in FORTRAN77) i would...

07 August 2015 3,754 0 View

What is the parameters which defining Geodetic Reference System (BEST CURRENT 2008)?

Geodetic Reference System (called BEST CURRENT 2008) identifies four defining parameters. These are the semi-major axis , the flattening factor of the Earth, and the geocentric gravitational...

06 July 2015 2,039 2 View

How to learn more about SPSS and its Application?

I would like to learn more about SPSS and Its application especially in regards to data analysis. Please suggest me how I can learn more about it. Thank you so much.

11 August 2024 9,101 4 View

Can I base on reverse DNA sequences to perform alignment, convert to amino acids and GenBank submission?

I have reverse sequences (AB1 format), can I base on reverse DNA sequences to perform nucleotide alignment, convert nucleotides to amino acids and deposit the sequence in GenBank database?

11 August 2024 5,138 1 View

Baseline drift in HPLC? What causes this?

Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!

11 August 2024 3,770 4 View

Text-Communication from the M1 Hand Area using BCI—and then there is Elon Musk?

Willett, Shenoy et al. (2021) have developed a brain computer interface (BCI) that used neural signal collected from the hand area of the motor cortex (area M1) of a paralyzed patient. The...

10 August 2024 7,180 0 View

Handling Missing Data and Building a Predictive Model with Incomplete Information ?

I am developing a predictive model for a water supply network that involves 20 influencing points. However, I only have historical data for 10 out of these 20 points. I would like to know how to...

10 August 2024 4,005 2 View

Has anyone applied Python in the field of textile engineering for data analysis, automation, or smart textiles?

I'm currently exploring the application of Python in textile engineering, specifically in areas like data analysis, process automation, and the development of smart textiles. I'm interested in...

10 August 2024 7,429 2 View

Which Scopus Journal provides the most affordable fees?

"PUBLISHING IN A SCOPUS JOURNAL" Researchers are now at a cross road. The critical need to publish in a Scopus or ISI, etc journal is ever vital. Journal Publication fees must be submitted....

10 August 2024 8,621 1 View

Geotechnical Engineering (Proceedings of the ICE) time review?

Hello everyone, I recently submitted an article to Geotechnical Engineering (Proceedings of the ICE), and the current status has been listed as "EiC Pre-assessment: Ready" for the past 20 days. I...

10 August 2024 6,493 1 View

Seeking Advice on Viability and Execution of Undergraduate Thesis Topic?

Hello everyone, I am currently developing a thesis proposal and would appreciate your input on its viability and how to effectively carry it out. My proposed topic is: "Does the perceived threat...

10 August 2024 8,992 0 View

Do interactions between biosphere, carbon cycle, & water cycle impact global warming & interaction between atmosphere & hydrosphere?

How do interactions between the biosphere, the carbon cycle, and the water cycle impact global warming and interaction between the atmosphere and the hydrosphere?

09 August 2024 3,291 2 View