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By joining the Urban Growth in Africa Contest, you get free access to an Earth Observation rapid prototyping environment for the duration of the competition, including access to several medium, high and very high resolution data. You will also get access to a web-based sandbox environment to easily and quickly create indicator-based products - EO Browser.

What we offer

What do you actually get, since some data is free anyway?

  • Copernicus and Landsat data are indeed free (thanks to EC and USGS), but there are many steps required to get value from these data - download, processing, storage, distribution. All of this takes time and requires IT resources, both of which cost money.
  • The goal of this activity is to demonstrate the power of a deep multi-temporal and multi-resolution data cube combined from Sentinel-1, Sentinel-2 and Landsat. The area of interest we are looking at is Africa. In addition to access to free data, get access to high-resolution commercial data (Airbus Pleiades and SPOT, Maxar WorldView/GeoEye provided by European Space imaging, and PlanetScope) over a selected area - Dakar, Senegal. Learn more about these data collections below.
  • Sentinel Hub provides seamless and immediate access to these data with most common processing steps applied (band math, clipping, mosaicking, time-series analysis, etc.) in a way that can be integrated with third-party applications.
  • A trial account, extended for the duration of the Contest, allows you to get familiar with the service, configure your workflow, expose it as an API, and integrate with third-party applications.

Steps to Begin

How to create and submit a pin story?

To help you get started, we have prepared a Pin Story guide describing the steps to register, how to get more data, create/export your pins, create a pin story and submit it.

How to get access to the service and high-resolution commercial data over Dakar?

  • Create a 30-day Sentinel Hub trial account here. It’s free. Note that you will also need to create an account if you only want to create a Pin Story but also use high-resolution data collections. See our Pin Story guide for details.
  • If you need more resources than a trial account provides (rate limits, processing unit limits) or your account has already expired, contact us and we will set it up.
  • To get access to Euro Data Cube tools and run the prepared Jupyter Notebook describing the steps to access all provided data, including basic processing examples, you will also need an EDC account. If you don’t have one yet, do create a free trial account here.
  • Register for the Contest by filling out this form.
  • We will then contact you by email with further information on how to proceed. We will also extend your trial account for the duration of the Contest.

First steps to work with the service

Available Data Collections

In addition to the standard Euro Data Cube offering, which includes the complete archives of Sentinel-1, Sentinel-2, Sentinel-3, Sentinel-5P, Landsat 8, and MODIS, we have prepared additional data collections available to participants in the Urban Growth in Africa Contest. In partnership with Airbus, Planet and European Space Imaging we provide Pleiades, SPOT, PlanetScope and Maxar’s WorldView/GoeEye data over Dakar, Senegal to support urban growth monitoring.

To help you get started, we provide a Jupyter Notebook that describes the steps to access all of the provided data, including basic processing examples.

Sentinel-1

Sentinel-1 collects data via synthetic aperture radar imaging. The constellation is operated by Copernicus and offers global coverage with revisit times of 5 days or less. Operating in this part of the spectrum means that data collection is almost not affected by atmospheric conditions, unlike optical imagery. Its main applications are for monitoring sea ice, oil spills, marine winds, waves & currents, land-use change, land deformation among others, and to respond to emergencies such as floods and earthquakes. In this Contest, you will have access to Sentinel-1 GRD through Sentinel Hub services as well as a pre-processed CARD4L compliant data collection.

Sentinel-1

Sentinel-2

Sentinel-2 is a multispectral constellation operated by Copernicus and offers global revisit times of 5 days or less at 10m resolution. Sentinel-2 collects 13 bands in the visible, near-infrared and SWIR spectrum. The data can be used for a wide range of applications including land cover, vegetation monitoring and change detection. In this Contest, you will have access to Level 1C (Top of atmosphere) and Level 2A (Bottom of atmosphere) data.

Sentinel-2

Landsat 8

Another multispectral sensor, Landsat 8 has been collecting data since February 2013 at 30m resolution and is operated by NASA/USGS. The sensor collects data in the same spectrum as Sentinel-2 as well as having additional thermal bands. It is the 8th generation of the Landsat program whose archive goes back to 1972, and is very useful for use in analysing long term trends in land cover and vegetation change. You will have access to Collection 1 (Top-of-atmosphere reflectance) and Collection 2 (Surface reflectance) data.

Landsat 8

Landsat 5

We will extend the Landsat collection by adding Landsat 5 as well, which will provide data going back to 1984. Coming soon!

SPOT 6/7

SPOT is a commercial constellation operated by Airbus and collects multispectral data at 6m resolution that can be pan-sharpened to 1.5m. All acquisitions are tasked so the coverage can be irregular spatially and temporally. The sensor collects 4 multispectral bands in the visible and NIR spectrum as well as a panchromatic band. The sensor’s high spatial resolution is suitable for a range of remote sensing applications such as vegetation monitoring, precise mapping, risk and disaster management.

SPOT

Pleaides

Pleaides is the higher resolution commercial constellation operated by Airbus collecting multispectral data at 1.6m resolution that can be pansharpened to 0.4m. Like SPOT it has 4 multispectral bands in the visible and NIR spectrum as well as a panchromatic band. Similarly to SPOT, acquisitions are tasked so the coverage can be irregular spatially and temporally. The sensor’s high spatial resolution is suitable for a range of remote sensing applications such as vegetation monitoring, precise mapping, risk and disaster management.

Pleiades

Maxar

European Space imaging offer Maxar’s very high-resolution satellite imagery through the WorldView & GeoEye constellations. Their pansharpened imagery can be as high as 30cm resolution. Through our services you will get access to 50cm resolution imagery. Like the Airbus sensors, all acquisitions are tasked so the coverage can be irregular spatially and temporally. The sensor’s high spatial resolution is suitable for a range of remote sensing applications such as vegetation monitoring, precise mapping, risk and disaster management.

Maxar

PlanetScope

PlanetScope is Planet’s global high-resolution multispectral product observing the whole globe at 5m once a day. The constellation of about 120 doves means that you can obtain daily imagery anywhere in the world. The high spatial and temporal resolution makes PlanetScope data ideal for agricultural field monitoring, precise mapping and change detection over shorter and longer timescales.

PlanetScope