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Global Historical Sea Level Measurements
Data Science and Analytics
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About
This product provides historical global sea level measurements spanning over 140 years, beginning in 1880. The data is essential for tracking and understanding long-term climate change impacts, specifically focusing on oceanic thermal expansion and ice melt effects. The measurements are sourced from climate.gov and are expected to be updated annually. The recorded sea level figures represent the difference in millimetres compared to the average sea level observed between 1993 and 2008.
Columns
- year: The year of the observation, detailing the time frame for which the data point applies.
- date: Specifies the precise date of observation, typically set to July of the relevant year, ranging from 1880-07-15 to 2022-07-15.
- mmfrom1993-2008average: The measured global sea level difference, expressed in millimetres (mm). Values are relative to the average sea level recorded between 1993 and 2008, with historical data ranging from -190 mm to 69.7 mm.
Distribution
The data is structured as a chronological sequence of observations, suitable for CSV file formats. The file size is approximately 4.7 kB. The dataset contains 143 validated records, providing a robust time series for analysis. All records are valid, with no missing or mismatched data points.
Usage
Ideal applications include developing and validating climate models, performing detailed trend analysis on historical sea level rise rates, integrating into environmental impact assessments, and supporting academic research focused on global warming indicators. The annual observations make it particularly useful for studies requiring long-duration time series data.
Coverage
The geographic scope of this data is global. The time period covered begins in 1880 and extends through to 2022. Observations are recorded annually, typically on or around the 15th of July of each recorded year.
License
CC0: Public Domain
Who Can Use It
- Climate Scientists: For validating projections of future sea level rise and analysing acceleration trends.
- Environmental Policy Makers: For formulating disaster preparedness strategies and infrastructure planning in coastal areas.
- Students and Academics: For educational projects, dissertations, and published works concerning earth science and the historical environment.
- Data Journalists: For creating informative articles and visualisations about climate change indicators.
Dataset Name Suggestions
- Global Historical Sea Level Measurements
- Sea Level Rise Data 1880–2022
- Climate.gov Annual Sea Level Change
- Earth Science Global Sea Level Record
Attributes
Original Data Source: Global Historical Sea Level Measurements
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