AndreaBozzo/ceres-open-data-index huggingface dataset:
Reprocessing of Yukon magnetic data for NTS 115H

Reprocessing of magnetic data for Yukon was performed between November 2016 and March 2017. Aeromagnetic data were compiled, data of different resolutions were merged, and a series of images individually levelled for each map sheet were produced. For each 250k-scale map, the following magnetic derivative maps were produced: 1. Residual Total Magnetic Field; 2. Reduced-to-Pole Magnetic Field (RTP); 3. First Vertical Derivative of the Reduced-to-Pole Magnetic Field (RTP_VD); and 4. Tilt Derivative of the Reduced-to-Pole Magnetic Field (RTP_TDR). These maps are provided as pdfs, geotiffs and Geosoft grid files. Colour ramps/legends are provided for each map.

Organization: Government of Yukon | Gouvernement du Yukon
Reprocessing of Yukon magnetic data for NTS 115J

Reprocessing of magnetic data for Yukon was performed between November 2016 and March 2017. Aeromagnetic data were compiled, data of different resolutions were merged, and a series of images individually levelled for each map sheet were produced. For each 250k-scale map, the following magnetic derivative maps were produced: 1. Residual Total Magnetic Field; 2. Reduced-to-Pole Magnetic Field (RTP); 3. First Vertical Derivative of the Reduced-to-Pole Magnetic Field (RTP_VD); and 4. Tilt Derivative of the Reduced-to-Pole Magnetic Field (RTP_TDR). These maps are provided as pdfs, geotiffs and Geosoft grid files. Colour ramps/legends are provided for each map.

Organization: Government of Yukon | Gouvernement du Yukon
First Vertical Derivative of the Magnetic Field, Aeromagnetic Survey of the Wolf Lake Area, Yukon, Part of NTS 105B (south half)

This aeromagnetic survey was carried out by Novatem Inc. from February 23, 2019 to April 2, 2019. The data were recorded using split-beam cesium vapour magnetometers mounted in the tail booms of two Piper Navajo aircraft. The nominal traverse and control line spacings were 400 m and 2400 m, and the aircraft flew at a nominal terrain clearance of 150 m. Traverse lines were oriented N45°E with orthogonal control lines.

Organization: Government of Yukon | Gouvernement du Yukon
Reprocessing of Yukon magnetic data for NTS 115N

Reprocessing of magnetic data for Yukon was performed between November 2016 and March 2017. Aeromagnetic data were compiled, data of different resolutions were merged, and a series of images individually levelled for each map sheet were produced. For each 250k-scale map, the following magnetic derivative maps were produced: 1. Residual Total Magnetic Field; 2. Reduced-to-Pole Magnetic Field (RTP); 3. First Vertical Derivative of the Reduced-to-Pole Magnetic Field (RTP_VD); and 4. Tilt Derivative of the Reduced-to-Pole Magnetic Field (RTP_TDR). These maps are provided as pdfs, geotiffs and Geosoft grid files. Colour ramps/legends are provided for each map.

Organization: Government of Yukon | Gouvernement du Yukon
First vertical derivative of the magnetic field, Little Nahanni Aeromagnetic Survey, Part of NTS 105-I (north half), Yukon

This map of the first vertical derivative of the magnetic field was derived from data acquired during an aeromagnetic survey carried out by EON Geosciences Inc. during the period between April 12, 2010 to June 2, 2010. The data were recorded using a split-beam cesium vapour magnetometer (sensitivity = 0.005 nT) mounted in the tail boom of a Piper Navajo aircraft. The nominal traverse and control line spacings were, respectively, 800 m and 2 400 m, and the aircraft flew at a nominal terrain clearance of 250 m. Traverse lines were oriented N45°E with orthogonal control lines. The flight path was recovered following post-flight differential corrections to the raw Global Positioning System data and inspection of ground images recorded by a vertically-mounted video camera. The survey was flown on a pre-determined flight surface to minimize differences in magnetic values at the intersections of control and traverse lines. These differences were computer-analysed to obtain a mutually levelled set of flight-line magnetic data.
The levelled values were then interpolated to a 200 m grid. The International Geomagnetic Reference Field (IGRF) was not removed from the magnetic field.

Organization: Government of Yukon | Gouvernement du Yukon
First Vertical Derivative of the Magnetic Field, Aeromagnetic Survey of the Wolf Lake Area, Yukon, Part of NTS 105F (south half)

This aeromagnetic survey was carried out by Novatem Inc. from February 23, 2019 to April 2, 2019. The data were recorded using split-beam cesium vapour magnetometers mounted in the tail booms of two Piper Navajo aircraft. The nominal traverse and control line spacings were 400 m and 2400 m, and the aircraft flew at a nominal terrain clearance of 150 m. Traverse lines were oriented N45°E with orthogonal control lines.

Organization: Government of Yukon | Gouvernement du Yukon
Residual Total Magnetic Field, Aeromagnetic Survey of the Marsh Lake Area, Yukon, Part of NTS 105E/North

This aeromagnetic survey was carried out by Geo Data Solutions GDS Inc. from January 12, 2018 to March 16, 2018. The data were recorded using split-beam cesium vapour magnetometers mounted in the tail booms of a Beechcraft King Air and a Piper Navajo. The nominal traverse and control line spacings were 400 m and 2400 m, and the aircraft flew at a nominal terrain clearance of 150 m. Travers lines were oriented N45°E with orthogonal control lines.

Organization: Government of Yukon | Gouvernement du Yukon
Reprocessing of Yukon magnetic data for NTS 115P

Reprocessing of magnetic data for Yukon was performed between November 2016 and March 2017. Aeromagnetic data were compiled, data of different resolutions were merged, and a series of images individually levelled for each map sheet were produced. For each 250k-scale map, the following magnetic derivative maps were produced: 1. Residual Total Magnetic Field; 2. Reduced-to-Pole Magnetic Field (RTP); 3. First Vertical Derivative of the Reduced-to-Pole Magnetic Field (RTP_VD); and 4. Tilt Derivative of the Reduced-to-Pole Magnetic Field (RTP_TDR). These maps are provided as pdfs, geotiffs and Geosoft grid files. Colour ramps/legends are provided for each map.

Organization: Government of Yukon | Gouvernement du Yukon
Kluane Lake West Electromagnetic Survey, parts of NTS 115G/5, 6, 11 and 12.

Airborne electromagnetic/magnetic survey data were acquired for the area between April 17 and April 30, 2015. The aircraft flight elevation was maintained at a nominal ground clearance of 83 m. Aircraft navigation used a 12-channel NovaTel dual frequency GPS. A vertically mounted video camera was used to record images of the ground. The radar height was recorded ten times per second using a Sperry unit and the barometric altitude was recorded ten times per second using a Motorola altitude transducer. The magnetic data were recorded 10 times per second using a Scintrex CS-2 cesium-vapor magnetometer.

Organization: Government of Yukon | Gouvernement du Yukon
Enhanced interpretation of stream sediment geochemical data for NTS 115P

New geochemical data from re-analysis of archived stream sediment samples have been assessed using weighted sums modeling and catchment basin analysis as described in the methodology report that accompanies this map (YGS Open File 2015-10). Both commodity and pathfinder element abundances are evaluated to highlight areas that show geochemical responses consistent with a variety of base and precious-metal mineral deposit types. The results of modeling, completed using two approaches, are presented as a series of catchment maps and associated data files. This release is part of a regional assessment of stream sediment geochemistry that covers a large part of Yukon.

Organization: Government of Yukon | Gouvernement du Yukon
Reprocessing of Yukon magnetic data for NTS 116O

Reprocessing of magnetic data for Yukon was performed between November 2016 and March 2017. Aeromagnetic data were compiled, data of different resolutions were merged, and a series of images individually levelled for each map sheet were produced. For each 250k-scale map, the following magnetic derivative maps were produced: 1. Residual Total Magnetic Field; 2. Reduced-to-Pole Magnetic Field (RTP); 3. First Vertical Derivative of the Reduced-to-Pole Magnetic Field (RTP_VD); and 4. Tilt Derivative of the Reduced-to-Pole Magnetic Field (RTP_TDR). These maps are provided as pdfs, geotiffs and Geosoft grid files. Colour ramps/legends are provided for each map.

Organization: Government of Yukon | Gouvernement du Yukon
Reprocessing of Yukon magnetic data for NTS 105F

Aurora Geosciences Ltd was contracted to perform a review of publicly available digital magnetic geophysical data submitted with assessment reports to develop standardized products and compilations. Data submitted prior to March 2015 were considered.

Individual assessment report data were levelled and integrated with 1:250 000 compilations.

Four gridded PDFs have been produced (residual total magnetic field, reduced to pole, vertical derivative and tilt derivative). Original 250k geophysical data can be found in YGS Open File 2017-14.

Organization: Government of Yukon | Gouvernement du Yukon
Residual Total Magnetic Field, aeromagnetic survey of the Dawson area, NTS 115N/15 and parts of 115N/7, 9, 10, 16, and 115O/13

This aeromagnetic survey was carried out by Goldak Airborne Surveys from February 17, 2014 to March 21, 2014. The data were collected using split-beam cesium vapour magnetometers mounted in each of the tail booms of 2 Piper Navajo aircraft. Nominal traverse and control line spacings were 400 and 1400 m, and the nominal terrain clearance was 125 m.

Organization: Government of Yukon | Gouvernement du Yukon
Selwyn basin geophysics for parts of 105I, 105J, 105K, 105N, 105O, and 105P

In 2008 Exploration Syndicate Inc. contracted Geotech Inc. to fly a regional-scale ZTEM survey covering a 25,000 km2 area (1 km line spacing) in the Selwyn basin. The survey footprint straddles the Canol Road in east-central Yukon and overlaps into the western Northwest Territories.

In March 2013 Yukon Geological Survey purchased the survey data, and in May we received approval to distribute the data publicly. As no interpretation was included with the purchase of the data, Condor Consulting Inc. offered to process the data and generate maps, gridded data, and a report. Condor undertook the work at no charge, and their contribution to the project is gratefully acknowledged.

This Miscellaneous Report comprises a number of parts: 
- original survey report produced by Geotech Ltd. describing the data acquisition and processing parameters;
- raw survey data acquired from Exploration Syndicate Inc.;
- a report summarizing the processing and interpretation undertaken by Condor Consulting;
- a series of maps in pdf and tiff formats; and 
- gridded data.

File sizes are large. If you experience problems downloading any of the products or would like to obtain the raw data, Geotech data, Multiplots, or any of the other files please contact us at geology@gov.yk.ca.

The project was funded by the Canadian Northern Economic Development Agency (CanNor) through their Strategic Investments in Northern Economic Development program.

Organization: Government of Yukon | Gouvernement du Yukon
First vertical derivative of the magnetic field, aeromagnetic survey of the Llewellyn area

The aeromagnetic survey was carried out by Goldak Airborne Surveys and data were acquired from March 10 to July 6, 2017. Spacing for the nominal traverse and control lines were 400 m and 2400 m, respectively. Nominal terrain clearance was 150 m.

Organization: Government of Yukon | Gouvernement du Yukon
Geochronology

Geochronology is a discipline of geoscience which measures the age of earth materials and provides the temporal framework in which other geoscience data can be interpreted in the context of Earth history. This knowledge helps to answer questions such as when did a volcano last erupt, what is the rate of crustal uplift in a specific area, are rocks at one gold prospect the same age as those at another.

Organization: Government of Yukon | Gouvernement du Yukon
First vertical derivative of the magnetic field, Eagle Plains Aeromagnetic Survey, NTS 116 J (north half), Yukon

This map of the first vertical derivative of the magnetic field was derived from data acquired during an aeromagnetic survey carried out by EON Geosciences Inc. in the period between April 10, 2009 and September 16, 2009. The data were recorded using split-beam cesium vapour magnetometers (sensitivity = 0.005 nT) mounted in each of the tail booms of a Piper Navajo and a Cessna 206 aircraft. The nominal traverse and control line spacings were, respectively, 800 m and 2 400 m, and the aircraft flew at a nominal terrain clearance of 250 m. Traverse lines were oriented N90°E with orthogonal control lines. The flight path was recovered following post-flight differential corrections to the raw Global Positioning System data and inspection of ground images recorded by a vertically-mounted video camera. The survey was flown on a pre-determined flight surface to minimize differences in magnetic values at the intersections of control and traverse lines. These differences were computer-analysed to obtain a mutually levelled set of flight-line magnetic data. The levelled values were then interpolated to a 200 m grid. The International Geomagnetic Reference Field (IGRF) was not removed from the total magnetic field.

Organization: Government of Yukon | Gouvernement du Yukon
Residual Total Magnetic Field, Aeromagnetic Survey of the Wolf Lake Area, Yukon, Part of NTS 105B (north half)

This aeromagnetic survey was carried out by Novatem Inc. from February 23, 2019 to April 2, 2019. The data were recorded using split-beam cesium vapour magnetometers mounted in the tail booms of two Piper Navajo aircraft. The nominal traverse and control line spacings were 400 m and 2400 m, and the aircraft flew at a nominal terrain clearance of 150 m. Traverse lines were oriented N45°E with orthogonal control lines.

Organization: Government of Yukon | Gouvernement du Yukon
Total magnetic field, Little Nahanni Aeromagnetic Survey, Part of NTS 105-P, Yukon

This map of the total magnetic field was derived from data acquired during an aeromagnetic survey carried out by EON Geosciences Inc. during the period between April 12, 2010 to June 2, 2010. The data were recorded using a split-beam cesium vapour magnetometer (sensitivity = 0.005 nT) mounted in the tail boom of a Piper Navajo aircraft. The nominal traverse and control line spacings were, respectively, 800 m and 2 400 m, and the aircraft flew at a nominal terrain clearance of 250 m. Traverse lines were oriented N45°E with orthogonal control lines. The flight path was recovered following post-flight differential corrections to the raw Global Positioning System data and inspection of ground images recorded by a vertically-mounted video camera. The survey was flown on a pre-determined flight surface to minimize differences in magnetic values at the intersections of control and traverse lines. These differences were computer-analysed to obtain a mutually levelled set of flight-line magnetic data. The levelled values were then interpolated to a 200 m grid. The International Geomagnetic Reference Field (IGRF) was not removed from the magnetic field.

Organization: Government of Yukon | Gouvernement du Yukon
Total magnetic field, Little Nahanni Aeromagnetic Survey, Part of NTS 105-I (north half), Yukon

This map of the total magnetic field was derived from data acquired during an aeromagnetic survey carried out by EON Geosciences Inc. during the period between April 12, 2010 to June 2, 2010. The data were recorded using a split-beam cesium vapour magnetometer (sensitivity = 0.005 nT) mounted in the tail boom of a Piper Navajo aircraft. The nominal traverse and control line spacings were, respectively, 800 m and 2 400 m, and the aircraft flew at a nominal terrain clearance of 250 m. Traverse lines were oriented N45°E with orthogonal control lines. The flight path was recovered following post-flight differential corrections to the raw Global Positioning System data and inspection of ground images recorded by a vertically-mounted video camera. The survey was flown on a pre-determined flight surface to minimize differences in magnetic values at the intersections of control and traverse lines. These differences were computer-analysed to obtain a mutually levelled set of flight-line magnetic data. The levelled values were then interpolated to a 200 m grid. The International Geomagnetic Reference Field (IGRF) was not removed from the magnetic field.

Organization: Government of Yukon | Gouvernement du Yukon
First Vertical Derivative of the Magnetic Field, Aeromagnetic Survey of the Marsh Lake Area, Yukon, Part of NTS 105D/South

This aeromagnetic survey was carried out by Geo Data Solutions GDS Inc. from January 12, 2018 to March 16, 2018. The data were recorded using split-beam cesium vapour magnetometers mounted in the tail booms of a Beechcraft King Air and a Piper Navajo. The nominal traverse and control line spacings were 400 m and 2400 m, and the aircraft flew at a nominal terrain clearance of 150 m. Travers lines were oriented N45°E with orthogonal control lines.

Organization: Government of Yukon | Gouvernement du Yukon
Big Picture 2002 natural cores and linkages analysis

The Big Picture 2002 is a legacy geographic information system (GIS) based landscape analysis. It is a partnership between the Nature Conservancy of Canada and the Ministry of Natural Resources’ Natural Heritage Information Centre. Many digital layers covering the Mixedwood Plains ecozone plus a portion of the Ontario Shield ecozone were compiled for this analysis. These layers include: * evaluated wetlands * forest cover * old growth forest * rare species and communities * waterbodies and watercourses * parks and protected areas * Areas of Natural and Scientific Interest (ANSIs) The data layers are overlaid in a GIS system and points are assigned to the features in each layer according to their conservation value. Core natural areas were identified by a combination of minimum size and a minimum point score per pixel. Potential linkages between these cores were computed by assigning scores to the landscape surrounding the cores based on the probable resistance to wildlife movement. We do not currently use this methodology for similar analyses.

Organization: Government of Ontario | Gouvernement de l'Ontario
Snow Survey measurement locations

This dataset contains location information for 2 of Ontario’s snow monitoring networks: * Surface Water Monitoring Centre (SWMC) * Snow Network for Ontario Wildlife (SNOW), administered by the Wildlife Research and Monitoring Section Snow course data is collected by: * conservation authorities * Ministry of Natural Resources (MNR) districts * Ontario Power Generation SWMC network data is collected twice a month from November 15 until May 15. SNOW network data is collected once a week from the first snowfall until snowmelt. The Surface Water Monitoring Centre uses the data to assess: * current snow cover * frozen ground conditions * snowpack * potential snowmelt * contributions to streamflow MNR’s Science and Research Branch use the data to: * help manage wildlife species including deer, moose, wild turkey, elk, wolves and coyotes * help ministry resource managers and scientists administer programs and conduct research * inform game management decisions such as white-tailed deer harvest quotas * support flight planning for the Moose Aerial Inventory program

Organization: Government of Ontario | Gouvernement de l'Ontario
Geospatial Ontario imagery

View spatial imagery of Ontario captured by satellite or airplane. __Background__ Every five years, the Ministry of Natural Resources coordinates projects to photograph high resolution imagery of settled areas of the province. Geospatial Ontario (GEO) acquires, maintains, and distributes this high-resolution imagery collected across Ontario. From 2013 to 2023, public and private sector organizations partnered with Ontario to share in the costs of acquiring aerial imagery. Project participants included: * other Ontario ministries * municipalities * federal agencies * conservation authorities * non-government organizations (NGOs) * private companies Starting in 2024, GEO will fully fund imagery acquisitions. All imagery will be released openly and available to everyone as soon as the imagery is ready as a mappable product. __Technical information__ This record includes all collections of digital orthophotography which are currently open to the public. Collections are differentiated by year of acquisition and region of the province covered. Orthophotographs are primarily taken during the spring in leaf-off/low-leaf conditions. All orthophotography is available as GeoTIFFs with the following bands of spectral information: * red * green * blue * near-infrared Pixel size is consistent within collections but varies between collections, ranging from a minimum of 16 cm to a maximum of 50 cm. __Open imagery access restrictions__ Starting in 2024, most orthophotography acquisitions will be made available under the Open Government Licence. This only applies to orthophotography collections where Ontario owns the intellectual property rights. __Open Government licensed orthophotography collection release schedule__ 2022 release: * Algonquin 2015 * Central Ontario Orthophotography (COOP) 2016 * Digital Raster Acquisition Project East (DRAPE) 2008 * Digital Raster Acquisition Project East (DRAPE) 2014 * Simcoe Muskoka Dufferin 2008 * South Central Ontario Orthophotography Project (SCOOP) 2013 * Southwest Ontario Orthophotography Project (SWOOP) 2006 * Southwest Ontario Orthophotography Project (SWOOP) 2010 * Southwest Ontario Orthophotography Project (SWOOP) 2015 2023 release: * Northwest Ontario Orthophotography Project (NWOOP) 2017 2024 release: * South Central Ontario Orthophotography Project (SCOOP) 2018 * South Central Ontario Orthophotography Project (SCOOP) 2023 * Digital Raster Acquisition Project East (DRAPE) 2019-2020 * Southwest Ontario Orthophotography Project (SWOOP) 2020 * Central Ontario Orthophotography Project (COOP) 2021 * Northwest Ontario Orthophotography Project (NWOOP) 2022 2025 release: * Digital Raster Acquisition Project East (DRAPE) 2024 2026 release: * Southwest Ontario Orthophotography Project (SWOOP) 2025

Organization: Government of Ontario | Gouvernement de l'Ontario
Woodlands Improvement Act areas

Data from the former Kemptville, Midhurst and Aylmer Districts were compiled in this dataset to show forest areas on private land, managed by the landowner in cooperation with the Ontario Ministry of Natural Resources under the Woodlands Improvement Act (WIA). The WIA allowed for 15-year management agreements between landowners and the MNR to plant and improve woodlands on private land. The WIA was in place from 1966-1999. This data is being provided as-is. No additional data is available, and no updates or maintenance are planned for this dataset.

Organization: Government of Ontario | Gouvernement de l'Ontario
Landform conservation area

Landform conservation areas represent areas of significant landform features such as: * steep slopes * kames * kettles * ravines * ridges This dataset identifies Category 1 and Category 2 landform conservation areas as defined in the Oak Ridges Moraine Conservation Plan. For further information on the definition and identification of Landform Conservation Areas as it relates to the Oak Ridges Moraine Conservation Plan, refer to the Oak Ridges Moraine Conservation Plan Technical Paper Series: Landform Conservation. All digital information is confined to the Oak Ridges Moraine area.

Organization: Government of Ontario | Gouvernement de l'Ontario