When identifying the risk of non-permanent, an important natural risk to consider is fire. This template project allows us to look at areas impacted by fire since 2000, allowing you to see, plan for, and act on fire risks. The workflow calculates the number of months in which a fire occurred within a pixel area (1km square). The example area is Cambodia, but you can choose whatever country (or area) is of interest.
TABLE OF CONTENTS
- Demonstration Video
- What should I use this template for?
- What data has been used?
- What do the outputs show me?
What should I use this template for?
You should use this template project to look at historical fire trends for a given location. This could either be a large area (as in this example, where we are looking at Cambodia) or in one or more project sites (here we are looking at 5 different project sites). This can help you to understand the role fire might play as a risk factor for non-permanence.
What data has been used?
The data used in this template is the Terra Thermal Anomalies & Fire dataset. This dataset provides a daily fire mask with each pixel representing 1 km2 on the ground. Each area of fire is given a confidence rating of Low, Nominal, and High. In this workflow, we have opted to use all confidence levels.
This dataset goes back to 2000 and is particularly useful for understanding the spatial and temporal distribution of fires within your project site. This can enable you to understand the frequency of fires, how much area is impacted, and whether these factors are changing. This information can then factor into your risk analysis.
This dataset is not best suited to get a very accurate look at the impact caused by a particular fire event but provides good high-level information over a long time period. It is also not suited for near-real-time identification of fire events.
What do the outputs show me?
This template project has two map output layers. The layer called "Total Months of Fire" shows the total number of months in which a fire has been detected in Cambodia over the past 10 years (2013-2022). The legend on the left-hand side tells us that the colour scheme relates to the number of months for each location.
The other map layer is called "Monthly fire events per year" and shows the same information as above, but breaks this down into each individual year.
If we look at the dashboard tab, you will see that we have two charts and two tables. The first chart-table pair, called Project Fire Area (Ha per Year), shows the area (in hectares) impacted by fire per year over the time period, distinguishing between each of the five project locations. The table shows the same information in tabular form.
The second chart-table pair, called Project Fire Occurrence (Months per Year), shows the monthly occurrence of fire on an annual basis for each of the project sites. These charts can be downloaded as an image using the download button at the bottom-left of the chart. You will have the choice of downloading them as an image, or the underlying data as a CSV spreadsheet. The tables can also be downloaded as a CSV spreadsheet using the download button at the bottom-left of the table. This is true of all charts and tables created with Earth Blox.
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