Jason Heppler, PhD’s notebooks | Observable

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Jason Heppler, PhD’s notebooks | Observable

Jason Heppler, PhD

@hepplerj

Digital historian at the Roy Rosenzweig Center for History and New Media, George Mason University

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Death By Numbers Parish Shapefiles API

Jason Heppler, PhD

Jan 29, 2025

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DH24 Attendance

Jason Heppler, PhD

Jul 30, 2024

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Jason Heppler, PhD

Dec 2, 2024

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Air Quality Map

Jason Heppler, PhD

Jun 8, 2023

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Working with the V&A API

Jason Heppler, PhD

Apr 11, 2023

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Working with the Cooper Hewitt API

Jason Heppler, PhD

Apr 11, 2023

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Visualizing the Bills of Mortality

Jason Heppler, PhD

Jan 24, 2024

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Finding Data and Maps

Jason Heppler, PhD

Apr 11, 2023

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Jason Heppler, PhD

Apr 12, 2023

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Jason Heppler, PhD

Apr 10, 2023

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Preparing Network Data from CSV

Jason Heppler, PhD

Dec 15, 2022

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CO2 Emissions Target Scenarios + Agreement Timelines, 1900-2100

Jason Heppler, PhD

Aug 24, 2022

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Jason Heppler, PhD

Sep 3, 2024

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Publishing Map Data with Observable

Jason Heppler, PhD

Nov 8, 2022

1

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Getting Started with the Bills of Mortality Data API

Jason Heppler, PhD

Aug 25, 2025

3

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Working with the V&A API

Jason Heppler, PhD

Nov 4, 2025

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Working with the Cooper Hewitt API

Jason Heppler, PhD

Nov 4, 2025

2

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Exploratory data analysis with Observable

Jason Heppler, PhD

Jan 31, 2022

5

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Finding Data and Maps

Jason Heppler, PhD

Jun 17, 2021

2

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Observable Plot for NHL

Jason Heppler, PhD

May 4, 2021

1

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Global Temperatures TimeChart

Jason Heppler, PhD

Apr 30, 2021

2

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Worldwide Temperature Variability

Jason Heppler, PhD

May 1, 2021

1

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Working with the Chronicling America API

Jason Heppler, PhD

Jul 8, 2020

4

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CO2 Emissions Target Scenarios, 1900-2100

Jason Heppler, PhD

Jan 22, 2020

3

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Material footprint and emissions per capita, 2015

Jason Heppler, PhD

Sep 8, 2022

2

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Six Decades of Carbon Dioxide Concentration in the Atmosphere (by decade)

Jason Heppler, PhD

Jan 16, 2020

3

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Global Surface Temperature Anomalies

Jason Heppler, PhD

Jan 15, 2020

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Global Carbon Emissions, 1957-2018

Jason Heppler, PhD

Jan 15, 2020

8

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Global Temperature Trends, 1880-2019

Jason Heppler, PhD

Jan 9, 2020

4

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Six Decades of Carbon Dioxide Concentration in the Atmosphere

Jason Heppler, PhD

Mar 18, 2021

3

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Is Norway on track for it's climate targets?

Jason Heppler, PhD

Jan 12, 2020

5

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Megeath Stationery Co's Trans-Mississippi and International Exposition guide map of Omaha, May 1st 1898

Jason Heppler, PhD

Jun 14, 2021

2

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Map of Omaha City, Nebraska [1866].

Jason Heppler, PhD

Jun 14, 2021

2

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Jason Heppler, PhD

Nov 15, 2019

3

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Jason Heppler, PhD

Mar 18, 2021

1

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Lake Mendota: A History of Ice ❄️

Jason Heppler, PhD

Jan 10, 2020

2

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Les Misérables Network

Jason Heppler, PhD

Nov 15, 2019

12

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USGS Land Cover WMS

Jason Heppler, PhD

Nov 11, 2019

4

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Active U.S. Fires

Jason Heppler, PhD

Jan 30, 2020

2

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Jason Heppler, PhD

Nov 8, 2019

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