Calculate Forest Change#

Computing Forest Loss#

Note

The current release of the MISLAND-North Africa uses the High resolution Hansen Global forest Change data to compute forest loss for selected area and year.

To compute forest loss using the Hansen Global forest change dataset;

  1. On the top left conner of the Map pannel, click on the sdgicon tool to toggle the drowing tools. Once the drawing tools are revealed, click on the drowpolygon tool to start drowing a custom area on the map where you wish to compute the forest loss

draw polygon

Draw a polygon tool#

draw polygon

Draw a polygon tool#

  1. Select forestlossicon and click on the layer settings icon cog . On the layer settings dialog, under the ‘SELECT DATA SOURCE’ options, choose ‘Hansen’ and select the year you wish to compute the forest loss.

Hansen

Selecting the Hansen Forest loss data#

On clicking submit The map and computed statistics will be displayed on the map panel and summary pannel respectively.

register

Foret change outputs#

Forest Fires Assesment#

  1. Select the forestchangeicon option from the service menu. Under the forestfireassesmenticon click on the cog icon to toggle the layer settings as shown below.

register

Selecting the Forest-fires option from the service menu.#

  1. On the output layer options, select the pre and post fire dates using the calender

seting the pre- and post-fire dates

Selecting the date from the calender tool.#

register

Pre-fire and Post-fire dates#

  1. Choose the platform to use to compute the burnt area

register

Choosing the Platform/Sensor for computing forest fires.#

The output showing the extent and severity of the fire will be as shown below

register

Forest-fire Output.#