Henrikki Tenkanen

As part of #Ukrainability project together with @htenkanen.bsky.social, @ollejarv.bsky.social, and Tiina Rinne we study how people use cultural ecosystem services in Ukraine and how they perceive the quality of these experiences during the full-scale Russian invasion.

Hello world! 👋 We're excited to launch social channels for #r5py, the Python package for super-fast multimodal #travelTime and #accessibility calculations using #OSM & #GTFS data. Follow us for tips, updates, and examples! #r5py #GeoSpatial #Python #UrbanPlanning #GIS

Poster for the sustainable urban mobility challenge

Interested in sustainable cities, data, and creative solutions for urban mobility? Join the Sustainable Urban Mobility Challenge at the #DDMA2025 workshop May 5 (Espoo, FI) for a chance to showcase your skills, win prizes, and contribute to discussions in the field! ptal-io.github.io/ddma2025#cha...

This is figure 8, which shows the bias percentages for each of the five population grids in the 35 countries with evaluated rural areas.

A study in Nature Communications shows that widely used global population data heavily underestimate rural populations. If not carefully considered, these errors could cause inequitable access to resources and services for rural communities around the globe. https://go.nature.com/4iDkyKr 🧪

Global gridded population datasets systematically underrepresent rural population - Nature Communications This research reveals that widely used global population data heavily underestimate rural population. If not carefully considered, these errors in the data can cause inequitable access to resources an...

🌍 Global population maps fail rural areas

Gridded population datasets systematically underestimate rural populations - by up to 84%.

This could impact policies on resources, healthcare, and disaster planning. Better rural census data is urgently needed.

🔗 doi.org/10.1038/s414...

#SciComm 🧪

#Cycle4Climate Espoo Forum 2nd day - with keynote from @htenkanen.bsky.social - addressed the role of data in understanding the spatial patterns of GHG emissions from urban mobility and in planning interventions to ensure impactful action.

“Significant proportion” of world’s rural population missing from global estimates, says study | Aalto University Global population datasets, crucial for decision-making by governments and institutions, may underestimate rural populations by as much as 53% to 84%, reveals an Aalto University study.

Is the world population bigger than we thought? New research shows global population datasets massively underestimate rural populations—by 53% to 84%! This could mean too few resources for healthcare, infrastructure & disaster response in rural areas. Read more: www.aalto.fi/en/news/sign...

📢 Our latest article led by @josiaslr.bsky.social was just published in Nature communications! Our study reveals that the global gridded population datasets contain systematic negative bias in rural population. Read more from the thread below and the full paper here: www.nature.com/articles/s41...

Data-Driven Mobility Analytics Workshops 2025 The Data-Driven Mobility Analytics Workshops 2025 aims to broaden the conversation on current analytical tools, frameworks, and methods that support informed decision-making in sustainable transport p...

Planning on attending #LBS2025 in Espoo, Finland? Come early and join us for the "Data Drive Mobility Analytics Workshop 2025" on Monday, May 5. Co-organized by @htenkanen.bsky.social (Aalto Uni), Marina Toger (Uppsala Uni), and yours truly. #mobility #gischat
ptal-io.github.io/ddma2025/#wo...

The deadline for applying to our PhD position in GeoAI & LLMs approaches soon! Apply by next Sunday 2nd March to our exciting PhD position! 🌐 💡 See more details below.

LBS2025 - Final call for papers! 🌍🌐
Welcome to the 19th Int. Conference on Location Based Services at Otaniemi, Espoo, Finland on May 7-9, 2025. Latest:
DL for work in progress papers and showcases extended until 28th February, 2025!
🔗https://lbs2025.lbsconference.org/pages/call_papers.html

Henrikki Tenkanen presenting his research in the fancy banquet hall.

@htenkanen.bsky.social our @digigeolab.bsky.social alumni, currently at @aalto.fi is presenting his research on #LowCarbon #Mobility.

Take-aways:

#decarbonisation and changing #human behavior is extra challenging.

Still, most everyday car trips are 5 km or shorter, and change is possible.

The PhD work will be part of a project which aims to develop knowledgeable and multimodal geographic LLMs for context-aware navigation. Please spread the word! 🙏

We have just opened an exciting PhD position in GeoAI & LLMs and are looking for motivated PhD candidates! The PhD work will be supervised by me and Nico Van de Weghe from the GeoAI Research Center, Ghent University. 

Apply by March 2nd, 2025 from here (+ more details): www.aalto.fi/en/open-posi...

Wonderful news! 🎉 Happy to be part of this and contribute to the ecosystem on the Python side! 😊 #r5py

The GIS Research UK (GISRUK) 2025 Call for Abstracts is live!

This year's theme is **Process in Geographic Information Science,** re-thinking the link between the patterns we see and what we represent on our computer screens.

See you in Bristol April 23-25!

gisruk.org/gisruk-2025

👋 Another transport/mobility/accessibility person here

The article uses various open source tools and also delves into the planner’s perspective on interactive online visualization tools. We developed an online tool to visualize our data and assessed its usefulness for planning purposes.💡 The online tool is openly available here: equity.gistlab.science

New paper out at CEUS! We investigate spatial #accessibility and #transport #equity at national level in Finland! 😊 The work was lead by the brilliant Matti Pönkänen and in great collaboration with Miloš Mladenović! 👏 Openly available at doi.org/10.1016/j.co... #GIScience

As Bluesky is growing 🥳, I have updated this starter pack with more people who post about cities, science, and policy.

go.bsky.app/Gf7viP1

I curate an open source geospatial starter pack. There are others for GIS and cartography and geography and...
Here's mine: go.bsky.app/PGYLmPG It's getting bigger every day.

Hey people! If you are into #geospatial anysis and data #visualization, I created a #GIS starter pack to help you connect with accounts with valuable resources in the field.

Check it out here and please suggest new names to expand it:

go.bsky.app/TJ7qQF6

Nice starter pack of map folks

#maps #dataviz #GIS

go.bsky.app/222AVDQ

Here is a starter pack for transportation / mobility researchers if you want to follow academic research news or find your old network from Twitter. I'm still adding more so recommendations are very welcome!

go.bsky.app/33kwFxs

#transport #mobility

Thanks to @frogo.bsky.social for this! go.bsky.app/Bue7EXj

We also have exciting news! 🥁 We are happy to announce that we have confirmed three wonderful keynote speakers for the LBS 2025 conference! 🤩: Ana Basiri, @grantdmckenzie.bsky.social and Heidi Kuusniemi 👏Read more about the speakers at: lbs2025.lbsconference.org/pages/keynot...

LBS2025 - Second call for papers + Keynotes confirmed! 🌍🌐
Welcome to the 19th Int. Conference on Location Based Services at Otaniemi, Espoo, Finland on May 7-9, 2025. Latest:
DL for full papers extended until 18th November, 2024!
🔗https://lbs2025.lbsconference.org/pages/call_papers.html

📢We are delighted to welcome you to the 19th International Conference on Location Based Services (LBS) which will take place in Otaniemi, Finland on May, 2025. Please consider submitting your paper by following the guidelines given in our Call for Papers:
lbs2025.lbsconference.org/pages/call_p...

Open access paper on "Measuring just accessibility within planetary boundaries" www.tandfonline.com/doi/full/10...., with Elias Willberg, @htenkanen.bsky.social, @mobileharv.bsky.social and Tuuli Toivonen