What are the options for global scale hydrology DEM?

Hello, I am working on a global scale hydrology GIS project delineating global watersheds and doing some data analysis. I have in the past used hydro1K from the USGS that cover the entire world....

18 February 2021 5,109 5 View

Can anyone help me with meta-analyses on classification ML models?

I am working on a meta-analysis for classification methods (end goal is developing a tool selection framework) and I am having a difficult time finding similar studies. Does anyone know any...

25 October 2020 2,323 4 View

Hello, can anyone recommend source of a user friendly and readily available Analytic Hierarchy Process (AHP) software for my project work?

Hello, I'm seeking to make an optimal oil and gas multi-criteria project management decision using Analytic Hierarchy Process (AHP). Thanks to revert with source of applicable professional...

01 September 2020 5,559 15 View

What approach is most suitable for boosting innovation in a Nigeria's tertiary institution to enable it provide solutions to societal challenges?

This question stems from the fact that Nigeria has over 20 Electrical Engineering departments that have not provided the Nigerian society with a sustainable, environmental friendly option to curb...

04 September 2019 5,166 6 View

How to take SEM (Scanning Electron Microscopy) and TEM (Transmission Electron Microscopy)?

I want to take the SEM and TEM images of samples I synthesized. I synthesized g-C3N4 (Graphitic Carbon Nitride). If I need to take SEM and TEM, should I disperse the obtained powder in a medium...

23 August 2019 1,892 9 View

What are the basic tests required for Supercapacitors?

I am planning to shift focus from batteries to supercapacitors. I would like to know if I synthesize materials for a supercapacitor, WHAT are the basic tests that need to be conducted?

16 August 2019 5,184 3 View

What are the possible solvent mediums to disperse g-C3N4 (Graphitic Carbon Nitride) ?

I need to disperse g-C3N4 in a medium. Please give suggestions. I want to create a thin film; MXene is dispersible in water, so I want to know if g-C3N4 is also dispersible in water, so that I can...

12 August 2019 667 2 View

How do you calculate CFU/g soil?

Dear All, I need your help on how to calculate CFU/g soil. I would greatly appreciate if you could check if my calculation is correct. 5 g of soil was placed into 50 mL water. The solution was...

21 April 2019 8,013 8 View

Can I replace missing values in a binary data with a zero?

I am working on three different survey data; each has 20 binary variables for Hierarchical Cluster Analysis (HCA) on SPSS. Out of the 441, 2869 and 2543 total samples for each survey, only 42...

22 October 2018 6,549 10 View

How reliable is X-ray flourescence (XRF) in determining elemental contents of biological samples?

I want to seek the opinions of experts in the field of environmental science. I intend to determine elemental contents of some freeze dried plant samples collected after an experiment. Since I...

12 September 2017 4,237 10 View

How can we make cartographic design theory more relevant?

Maps are seemingly produced in ever-increasing numbers without principles of sound cartographic design. For example, despite the publication of successive cartographic texts and blogs that advise...

30 September 2020 4,664 4 View

How are Spatial Cognition and cartography interrelated? What are their major uses and functions in field of cartography?

Major details about their interrelations, their major uses and functions.

22 September 2020 9,796 4 View

How to make a contiguous cartogram in ArcGIS?

As an electoral geographer I often present various electoral maps. I would like to create some contiguous cartograms in ArcGIS software but I have problems to find any geoprocessing tool that will...

21 April 2020 3,269 2 View

How to get a research journal map style?

I have seen this style of map images repeated in several articles, but was never able to find the software required or a method to reproduce them. Does anyone know how to obtain them?

15 April 2020 3,069 5 View

Zeeman Doppler Imaging - ZDI code/program (Stellar Surface Cartography)?

I'm currently looking for data analysis program to conduct the stellar cartography/doppler imaging. Kindly, anyone provide me the tool to extrapolate for my on-going research?

17 March 2020 4,295 2 View

Generalization problem of maps (Cartography / GIS) ?

Can someone recommend any articles which discusses problem of generalization of maps? When you change resoliution or aggregate several territories into 1 you lose some information of data. A lot...

08 September 2019 8,815 3 View

No title

05 June 2019 7,788 2 View

How do I classify roads digitized from Landsat image to be used in Land Change Modelling in Idrisi Selva?

I tried using road layer from ArcGis but Im confused on the procedure. Can anyone provide me with a video on how to produce these roads layer in Idrisi or import it from ArcGis? I earlier...

05 June 2019 8,350 1 View

What are various open source soft wares available for LULC future prediction?

Can anyone list out freely available Land Use-Land Cover future prediction soft wares that performs well as IDRISI does? If possible, kindly attach the supporting research articles. Thank you in...

05 June 2019 714 17 View

Does anyone know how to indicate a free reference on free geotechnology? Which conceptually encompasses all free geotechnologies?

Does anyone know how to indicate a free reference on free geotechnology? Which conceptually encompasses all free geotechnologies?

05 June 2019 8,209 11 View