GIS Hub

Spatial Interpolation Map:
The map illustrates how to use a discrete point dataset to generate a seamless continuous raster using several different geostatistical interpolation methods.
Geostatistical interpolation methods are powerful techniques used in geographic information systems (GIS), and spatial analyses, including within the QGIS environment, to estimate and predict values at various locations based on observed data. These methods are precious when dealing with spatially distributed data and can be applied to several applications. Popular geostatistical interpolation methods include kriging, Inverse Distance Weighting (IDW), and spline.
For the purpose of interpolation, firstly use Voronoi polygons (which are also known as Thiesen polygons) to define an area of influence based on the proximity of each point to one another and create a rainfall distribution map based on a point dataset. We will make use of a color ramp to visualize the polygons which shows the gradient of the variable with a clear distinction between the high and low values.
Secondly, a commonly used geostatistical interpolation method called IDW, which stands for inverse distance weighting to generate a seamless continuous raster, by predicting values for unknown areas based on the available point values in the same dataset.
Finally, we will also make use of another interpolation method which is called thin plate spline (which you can find under SAGA tools in QGIS) to perform a similar task, and then we will compare the results and see how each interpolation method differs from one another, with some thoughts on how to select a specific interpolation method for a given task at hand.

GIS and Remote Sensing Skills GIS Academy GIS Analyst Web Mapping and GIS applications Esri

Geological Map
The map is depicting Switzerland's country geological status created by QGIS software, and using geologic data downloaded from the USGS website whether you are a geologist, geoscientist, or a GIS professional, the map is perfect for anyone looking to improve their geologic knowledge.
Geological mapping in QGIS can be quite important for several reasons:
1. Resource exploration: geological maps are used to explore and identify potential locations for natural resources such as minerals, oil, and gas.
2. Natural hazard assessment: maps can be used to identify and assess potential hazards such as earthquakes, landslides, and volcanic eruptions.
3. Environmental Management: geological maps can be used to manage and protect natural resources and the environment, such as identifying and mapping wetlands, or assessing the potential impact of development on the surrounding ecosystem.
4. Urban planning: Geological maps can be used in urban planning to identify potential soil stability issues, determine land suitability for construction, and avoid potential hazards, such as flooding or landslides.
5. Education and research: geological maps are also used in education and research to teach students about geology and support ongoing geological research.
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Learning Geology

Switzerland Pictures Community

The map that I shared here is a part of Islamabad that was prepared using Open Streat Map (OSM), and some of the rules that Open Street Map uses to simplify and also shared here. I hope it be helpful to my collegues.

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Download free shape file, Raster, and Vector Data from the top 13 gis data sources:
1. Geo Boundaries
https://lnkd.in/dud_AYCu
2. H D X – humandata.org
https://data.humdata.org/
3. ArcGIS Hub
https://hub.arcgis.com/
4. Natural Earth
https://lnkd.in/d4iF-X_q
5. Earth Explorer
https://lnkd.in/dvUy83Hx
6. Open Topography
https://lnkd.in/dW3WAmai
7. NASA Socioeconomic Data and Applications Center (SEDAC)
https://lnkd.in/dzjjKbtd
8. UNEP Data Explorer
https://lnkd.in/dw-rXsav
9. Sentinel Satellite Data
https://lnkd.in/dt27iAad
10. Open Street Map
https://lnkd.in/dfTG6Siz
11. DivaGIS
https://lnkd.in/dx72_8XX
12. Geofabrik
https://lnkd.in/dkbKp5JR
13. GADM
https://lnkd.in/dAswgQVf....

Please list in the comments the resources that can be downloaded for free.











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LinkedIn This link will take you to a page that’s not on LinkedIn

Topo sheet:
A top sheet is a map that depicts landforms in the form of accurate elevations called contour lines. A contour line is a line of a constant given elevation. Other information is also given, such as roads, buildings, water, survey markers, and anything else that might be deemed useful.

Topo sheets are used for navigation, position finding, and recording routes and discoveries and findings. Geologists could not function without topo sheets. We usually use them to map out rock layers and rock exposures. Map of a geologist’s training is learning to use topo maps for navigation and mapping rock locations and layers. A geologist (and others) can look at a topo sheet to see what the land looks like without actually being there.



USES:

1. Firstly, the topo sheet contains valuable reference information for surveyors.

2. It is also a map maker including benchmark, baseline, and meridian and are used in civil engineers.

3. Therefore, it is also used environmental managers and urban planners as well as by emergency service agencies and historians.

4. Topo sheets are extremely useful for planning various projects.

5. As they provide the required data in most convenient form so that the construction can be planned.

6. One can use topo sheets for planning of a building complex, an industrial plant, a railway, and an irrigation project.

7. One can plan Bridges, tunnels, and dams from the topo sheets.

8. These are also helpful for directing military operations at the time of war.

9. Therefore, one can use them for the development of hydroelectric schemes, landscapes, architecture, environmental protection, and agriculture.

10. Lastly one uses it in earth science and many other graphic disciplines mining and other earth-based endeavors.

Please list in comments the resources that can be downloaded topo sheet.


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Did you know...Esri provides free access to certain tech during MOOCs?

For example, free access to ArcGIS Pro, ArcGIS Online, ArcGIS Notebooks, ArcGIS Spatial Analyst, and ArcGIS Image Analyst software during the upcoming Spatial Data Science MOOC?

Now, away with yis...

https://www.esri.com/training/mooc/?srsltid=AfmBOorWVs9GAFqz-199U1jJ7t22_4D4ID45jmc54F7ZBqcAj11Ak9th

..and no, you don't need any data science experience...

Free water bodies datasets

Are you looking for rivers, lakes, basins, or other water datasets?
Have a look at the HydroSHEDS

What's in there?
-HydroSHEDS
-HydroATLAS
-HydroBASINS
-HydroRIVERS
-HydroLAKES
-HydroWASTE
-HydroFALLS

Hope helpful to you guys.

Free GIS and Geostatistics eBooks - Download Now!
Boost your knowledge in Geographic Information Systems (hashtag ) and hashtag with these free hashtag ! Download the hashtag now and explore the latest concepts, tools, and techniques in the field.

Available Titles:
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2. Focus on Geodatabases in ArcGIS Pro
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3. GIS and Public Health
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4. GIS for Coastal Zone Management
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5. Getting to Know ArcGIS Pro
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6. Introduction to GIS Programming and Fundamentals with Python and ArcGIS
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8. Spatial Database Systems Design - Implementation and Project Management
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9. DATABASE SYSTEM CONCEPTS (SIXTH EDITION)
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10. Mastering ArcGIS Pro
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11. Applied GIS and Spatial Analysis
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12. Encyclopedia of GIS
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Happy learning!




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I am excited to announce that I have done my research titled “Municipal Solid Waste Management using GIS Analysis: A Case Study of Kabul City, 3rd District”.
Concerning on my journey in GIS, I fondly remember creating my map layout. This sample depiction inspired my interest for the study and mapping of solid waste management. Finally, we concluded that GIS was more than basically a tool; it was an entry point to a detailed comprehension of the natural world. I want to employ these talents in my profession today so that I can keep learning and developing. Here are too many more maps and discoveries ahead! I am sharing the maps representing:

- Case Study Area
- Network Analysis
- Digitizing
- Shortest Route
- Closest Facility
- Selection of Waste bins location



QGIS Community - Official Virtual Group

I am providing my research paper on "Municipal Solid Waste Management using GIS Analysis: A Case Study of 3rd District of Kabul City" below. I would be pleased to hear your comments on this topic that I have been working on.

Remote Sensing and GIS student nigeria
Shahriar GIS Learners Club
QGIS for Beginners and Advanced
QGIS Users Group
GIS and Remote Sensing Group


Climate change, Environmental and Geoscience (GIS) Research scholars


Kabul Polytechnic University

عید قربان عید عبادت و بندگی و عید اطاعت از قادر یکتا برشما تهنیت باد.
Happy Eid Day