01 January 1970 4 7K Report

Aerial photographs are also used for surveys and mapping? is there any reference e-book?

More Leônidas Luiz Volcato Descovi Filho's questions See All
How do I know the date of a web server-assisted satellite image?

Examples: satellite images from google, bing, mapbox, osm servers, available on qgis via xyz tiles. how do I know the date of bing images? availables in QGIS via .WMS, for example.

07 August 2019 1,161 4 View

Vulnerability intrinsic to groundwater contamination assessed via Electro-Resistivity Method - Vertical Electrical Survey (SEV) for geoelectric layer?

What reference studies (Book, Article, Tesis etc) you know used ER Method was applied using the Vertical Electrical Survey (SEV) technique (Wenner-Schlumberger, dipole-dipole arrays) for...

07 August 2019 5,436 9 View

What is photogeology?

Belongs to Geology and Remote Sensing? What are the main references available for free (pdf) in this field of knowledge? Is it still a usual field within geology? Best Regards.

07 August 2019 4,226 12 View

Geological Map or Stratigraphic Map?

What is the conceptual difference between Geological Map and Stratigraphic Map?

07 August 2019 2,505 26 View

How to properly use google images?

Are Google images free to produce publishable scientific articles? Is it allowed to generate vector data from the interpretation of google images? How are google images cited in the bibliographic...

06 July 2019 2,647 10 View

What are the main attenuators found in the rock-soil vadose zone responsible for groundwater protection?

The vadose zone is the first groundwater protection line, what are the main physical, chemical, biological and other elements capable of attenuating the potential contaminants released on the...

06 July 2019 8,243 3 View

What is basic concept of aquifer system?

What is basic concept of aquifer system?

05 June 2019 8,585 19 View

How accurate are the images and of control points compared to satellite imagens of XYZ Tiles in QGIS free software?

What is the accuracy of these images regarding their geo-referencing and how accurate are they for their use of known sites with control points for geo-referencing?

05 June 2019 7,463 8 View

What classical examples in the literature of contamination by agrochemical and pesticide residues in groundwater in agriculture?

What classical examples in the literature of contamination by agrochemical, herbicide, fungicide, insecticide and pesticide residues in groundwater in agriculture?

05 June 2019 1,222 27 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 8,435 11 View

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