Overview

New 2024 Ocean Health Index Scores

This year marks the 13th global Ocean Health Index (OHI, for short) assessment measuring the sustainable delivery of 10 benefits, or goals, that people want and need from the ocean. The ...

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The Challenges of Projecting Spatial Data

Have you ever wondered what happens to your data when you project it from one CRS to another? Or whether or not you should convert your data from counts to density...

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A Mesophotic Dive into Coordinate Reference Systems

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Introducing the 2024 OHI Global Fellows

In 2024, the Ocean Health Index Global Fellows program has welcomed three fresh Data Science and Communication Fellows to its ranks. The selected trio all hail from the Bren School of Environmental Science & Management...

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2023 Ocean Health Index Release

This year marks the 12th global Ocean Health Index (OHI, for short) assessment measuring the sustainable delivery of 10 benefits, or goals, that people want and need from the ocean. The ...

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What increasing Lasting Special Places scores mean

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Large whale hunting event impacts Faroe Island OHI Score

The practice of whale hunting has been a long-standing tradition in the Faroe Islands, an autonomous territory within the Kingdom of Denmark. This cultural practice has recently come under increased domestic and international scrutiny.

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A deep dive into how data are incorporated into the OHI framework

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Introducing the 2023 OHI Global Fellows

In 2023, the Ocean Health Index Global Fellows program has welcomed three fresh Data Science and Communication Fellows to its ranks. The selected trio all hail from the newly instituted Masters of Environmental Data Science...

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Where do I find CMIP6 data

Climate models from the CMIP6 Scenario experiments predict the future climate of our planet. We are here to help you find these data...

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2022 Ocean Health Index Release

This year marks the 11th global Ocean Health Index (OHI, for short) assessment measuring the sustainable delivery of 10 benefits, or goals, that people want and need from the ocean. The ...

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Webscraping and PDF data extraction

What to do when the data you need are trapped in highly formatted tables spread among 185 different PDFs which are only downloadable separately...

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Same goals, new data layers!

Tidal flats will complement the existing habitat types and will affect the habitat subgoal and carbon storage goal. Three new data layers created are tidal flat extent, tidal flat trend, and tidal flat condition...

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Making the Spatial Switch

`raster` has been the go-to spatial analysis package in R since the dawn of time, but we converted our workflow to the more modern `terra` package. At the Ocean Health Index, we work with spatial data for a plethora of goals like mapping sea ice extent and habitat types that sequester carbon throughout the land and coastal nations. Let's dive into how we converted our code from `raster` to `terra`.

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Introducing the 2022 OHI Global Fellows

This year the Ocean Health Index Global Fellows program has taken on three new Data Science and Communication Fellows. All three fellows have been picked from the new Masters of Environmental Data Science...

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Reducing the pain of understanding CMIP-6 scenario data

Climate models from the CMIP6 Scenario experiments predict the future climate of our planet. These data are amazing AND complex, and we are here to help you make sense of it...

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The Global Ocean Health Index Celebrates its 10th Birthday!

This year marks the ninth global Ocean Health Index (OHI, for short) assessment measuring the sustainable delivery of 10 benefits, or goals, that people want and need from the ocean. The ...

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2020 Global Ocean Health Index scores now available!

This year marks the ninth global Ocean Health Index (OHI, for short) assessment measuring the sustainable delivery of 10 benefits, or goals, that people want and need from the ocean. The ...

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A new open data tool for science and management

The new assessment tool, the Baltic Health Index (BHI) evaluates comprehensively the health status of the Baltic Sea and has been calculated by researchers at the Stockholm Resilience Centre, Stockholm University, ...

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We are excited to announce the global Ocean Health Index (OHI) scores for 2019!

We are excited to announce the [global Ocean Health Index (OHI) scores for 2019!](http://ohi-science.org/ohi-global/) The overall global Index score was 71, similar to ...

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A case study about transparency in the Ocean Health Index

In a world of increasingly complex decision making, transparency has become paramount. This is no exception in science and, specifically, in science-based management ...

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Lessons for Using the Global Ocean Health

The Index was designed to be useful to ocean planning around the world, and to be useful, it must be applicable to place-based management, which is how so many decisions that affect ocean health ...

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