TerraWatch Essentials · · 6 min read

Last Week in Earth Observation: June 24, 2024

Monitoring Marine Litter from Space, Planet's Integration of Edge Computing and Mapping the Ocean Floors

Welcome to a new edition of ‘Last Week in Earth Observation’, containing a summary of major developments in EO from the last week and some exclusive analysis and insights from TerraWatch.


Four Curated Things

Major developments in EO from the past week


1. Contractual Stuff: Funding, Contracts and Deals 💰

Funding

Contracts

M&A


2. Strategic Stuff: Partnerships and Announcements 📈

Announcements

Partnerships


3. Interesting Stuff: More News 🗞️


4. Click-Worthy Stuff: Check These Out 🔗

Image
Credit: Seabed 2030

EO Summit: Thank You and Stay Tuned for 2025!

Just about 10 days ago, my 2-year dream of organising a user-driven, application-focused Earth observation conference became a reality. Our 3-member organising team, with no experience organising events, pulled off the impossible, with support from the hardworking volunteers on-site.

A big thank you to the generous sponsors, the amazing speakers, the thoughtful moderators and all the 375+ attendees who made the event a grand success.

EO Summit will be back, better and bigger in 2025. Stay tuned!

If you missed EO Summit, here is a good summary of the insighful keynote address from NASA Goddard’s Dalia Kirschbaum and a honest review of the event from an attendee.

One Discussion Point

Exclusive analysis and insights from TerraWatch


5. Planet’s Integration of Edge Computing

Planet announced recently that an upcoming test satellite - the very high-resolution image-capturing Pelican-2 will be equipped with a Nvidia Jetson edge AI graphics processing unit to “power intelligent imaging and faster insights for customers.” Honestly, this came as no surprise to me and was just a question of when not if. But, why do this and what does this mean for Planet?

First, what is Edge Computing?

Edge Computing means having the ability to process data closer to where it’s being generated, enabling processing at greater speeds and volumes, leading to greater action-led results in real-time.

It is not a new concept at all as we see edge computing in action almost every day - smart speakers, smart watches, smartphones, point of sales systems, wearable medical devices, smart power grids and even the recently announced Apple Intelligence.

Edge Computing in EO

If you have read anything from TerraWatch before, you know that I segment the EO Operating Stack into 5 segments: Data, Platform, Analytics, Insights and Applications. Edge computing might have some interesting dynamics on the Platform layer, but its impact on the Analytics layer is perhaps more fascinating.

As a reminder, the Analytics layer is the part of the EO value chain, where data is converted into useful information, sometimes by integrating other sources of data. However, note that the Analytics layer does not inform, it only translates. You might not be able to make direct decisions with Analytics, as you might need to contextualise the information. Some examples of Analytics are cloud detection, vessel identification, building detection, crop classification etc. As you see, Analytics is all about converting imagery on pixels into some information, but it is not an actionable insight.

And that is what edge computing brings to the table - the ability to process data onboard the satellite, as it is being taken, to convert this data into some form of useful information. Note that edge computing might not necessarily provide actionable Insights, nor can it become a usable Application. My thesis is that edge computing helps move the Analytics layer closer to the orbit, but not completely away from the ground, as the figure represents below.

Edge Computing for Planet

Planet already operates in almost 4 out of 5 layers of the EO value chain: Data, Platform, Analytics and Insights. So, why integrate edge computing in their satellites?

What edge computing offers to Planet is the ability to shake things up a bit and move Analytics closer to orbit. Some Analytics that Planet offers like cloud detection, building detection and vessel detection can be “outsourced” to be performed on-orbit, meaning the information can be provided to its customers in near real-time. However, note that the more complex insights (such as the Planetary Variables) will have very limited relevance to edge computing and might actually be harder to execute with limited training data available onboard the satellite.

For more on edge computing and the current market landscape, check out the subscriber-exclusive, deep dive.

Scene from Space

One visual leveraging EO


6. Monitoring Marine Litter from Space

Apparently, every 60 seconds the equivalent of a lorry-load of plastic enters the global ocean. However, since the quantity of floating debris is usually not large enough, you are less likely to ‘see’ it from space, at least with the spatial resolution offered by open data like Sentinel.

However, a team of researchers, funded by ESA, have created the most detailed map of marine litter pollution to date using data from Sentinel-2, spanning six years and over 300,000 satellite images while leveraging supercomputers and advanced search algorithms and validating with in-situ hydrological conditions. The team also highlighted the potential to develop a sensor to improve the accuracy of the monitoring. Who wants to build an EO satellite to detect marine pollution?

Credit: ESA

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Until next time,

Aravind.

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