Instructions for finding grid cell values within the PEMT
A central role of the tool is to enable users to find sensitivity values for various environmental or socio-economic components and/or geo-economic potential in different parts of the study area. Essentially this document answers the question, how do I determine what sensitivities or levels of geo-economic potential exist for grid cells in the PEMT?
AREAs and GRIDs
Areas - The initial maps describing sensitivity are entitled Areas (in the PEMT table of contents: PEMT/Sensitivity/Areas). These layers are created by combining life history elements into a single map layer and ranking areas by the degree of sensitivity (to oil and gas activity). The maps have smooth lines separating different levels of sensitivity.
Grids – The oil and gas grid is the geographic reference grid for issuance of licences. To assist in interpreting sensitivity for existing and potential licences, the area maps (above) were converted into grid based maps. The grid maps show a blocked or gridded appearance. The resulting grids contain sensitivity rankings for each component in the system. As the following sections describe, the PEMT allows users to select one or more grids and to query what the sensitivity or potential ranking has been determined to be.
Step 1 Select your parameters
Parameters allow the results generated by the PEMT to be customized according to the information required. Users may select one or more parameters (e.g., polar bear summer, ringed seal winter, etc).
Step 2 Select the grid cell(s)
Next users are directed to choose an option for selecting one or more grid cells. Users can choose to select grids by a single mouse click, by mouse clicking and dragging a rectangle or by drawing a polygon with several mouse clicks. After choosing one or more cells the system conducts the query and presents the user with a results table.
Step 3 Results table
Users can interact with the table in several ways including:
- Double mouse clicking on a table row will highlight that grid cell on the map.
- Selected rows (one or more) can be copied and pasted directly into Excel for further analysis
Interpretation of results is different depending on the parameters chosen.
Environmental and Socio-economic Sensitivity: Selecting any environmental or socio-economic parameter will return a sensitivity ranking based on:
- sensitivity to development;
- susceptibility to habitat change (for VECs);
- life cycle occurrence in the study area: and
- importance to Inuvialuit (for VSECs)
Each of the environmental or socio-economic sensitivity rankings and map layers use the same rating scale:
1 - Low sensitivity
2 - Low/Moderate sensitivity
3 - Moderate sensitivity
4 - Moderate/High sensitivity
5 - High sensitivity
Geo-Economic Potential: Selecting these parameters will return a value based on geologic or economic uncertainty, or indicate the level of uncertainty as calculated. As with the VEC and VSEC ratings, overall Geo-Economic Potential results are divided into 5 categories:
<6 = Relatively low prospect for exploration and very low for development within 25 years,
6 = Relatively moderate prospect for exploration and low prospect for development within 25 years,
7-8 = Relatively good prospect for exploration and moderate prospect for development within 25 years,
9-10 = Relatively good prospect for exploration and development within 15 years
11-12 - Active or imminent interest in exploration
Information on geo-economic potential is also available.
- Date modified: