Update README.md

Author: dshean

README.md

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-# ICESAT2_hackweek_tutorials
-Combined repository for final tutorial material from 2019 ICESat-2 HackWeek at the Univeristy of Washington
+# ICESat-2 Hackweek Tutorials
+Combined repository for final tutorials presented during the ICESat-2 HackWeek at the Univeristy of Washington on June 17-21, 2019
 
-## License
-The content of this project itself is licensed under the [Creative Commons Attribution 3.0 Unported license](https://creativecommons.org/licenses/by/3.0/), and the underlying source code used to format and display that content is licensed under the [MIT license](LICENSE.md).
+## Background
+The [ICESat-2 Cryospheric Science Hackweek](https://icesat-2hackweek.github.io/) was a 5-day hackweek held at the University of Washington. Participants learned about technologies used to access and process ICESat-2 data with a focus on the cryosphere. Mornings consisted of interactive lectures/tutorials, and afternoon sessions involved facilitated exploration of datasets and hands-on software development.  
+
+The tutorials were largely developed by volunteer instructors.  Each tutorial was prepared and distributed as a separate repository under the [ICESat-2 Hackweek Github organization](https://github.com/ICESAT-2HackWeek).  At the beginning of each tutorial, participants cloned the repository and interactively worked through the material with the instructor.  
+
+This ICESat2_hackweek_tutorials repository was created to centralize the final content from all tutorial repositories and to provide a snapshot "release" of the material presented during the hackweek with a DOI for distribution to the larger community.
+
+## Tutorials 
+### Overview of the ICESat-2 mission (slides)
+*Tom Neumann, Ron Kwok, Ben Smith*  
+https://github.com/ICESAT-2HackWeek/intro_ICESat2
+
+### Introduction to Open Science and Reproducible Research
+*Fernando Perez*  
+https://github.com/ICESAT-2HackWeek/intro-jupyter-git
+
+### Access and Customize ICESat-2 Data via NSIDC API
+*Amy Steiker Bruce Wallin*  
+https://github.com/ICESAT-2HackWeek/data-access
+
+### Intro to HDF5 and ICESat-2 Data Files
+*Fernando Paolo*  
+https://github.com/ICESAT-2HackWeek/intro-hdf5
+
+### Clouds and ICESat-2 Data Filtering
+*Ben Smith*  
+https://github.com/ICESAT-2HackWeek/Clouds_and_data_filtering
+
+### Gridding and Filtering of ICESat/ICESat-2 Elevation Change Data
+*Johan Nilsson*   
+https://github.com/ICESAT-2HackWeek/gridding
+
+### ICESat-2 for Sea Ice
+*Alek Petty*  
+https://github.com/ICESAT-2HackWeek/sea-ice-tutorials
+
+### Geospatial Data Exploration, Analysis, and Visualization
+*David Shean*  
+https://github.com/ICESAT-2HackWeek/geospatial-analysis
+
+### Correcting ICESat-2 data and related applications
+*Maya Becker, Susheel Adusumilli*  
+https://github.com/ICESAT-2HackWeek/data-correction
+
+## How to reproduce and run
+These tutorials were deployed on a JupyterHub instance running in the cloud.  For information how to reproduce on your own system, see the following.
+
+### Preliminary material
+*Anthony Arendt*  
+Background material, preliminary tutorials 
+https://icesat-2hackweek.github.io/preliminary/
+
+### JupyterHub Environment for Icesat-2 Hackweek
+*Scott Henderson*  
+https://github.com/ICESAT-2HackWeek/jupyterhub-info.
+
+## Citation and License
+Most of this material was prepared by volunteers, all of whom have day jobs as scientists, engineers, and educators.  While this material is not necessarily appropriate for a peer-reviewed journal article publication, we are releasing with a digital object identifier (DOI).  If you find these tutorials useful, or you adapt some of the underlying source code, we request that you cite as:
+
+*[insert citation information after Zenodo release]*
+
+The content of this project is licensed under the [Creative Commons Attribution 3.0 Unported license](https://creativecommons.org/licenses/by/3.0/), and the underlying source code used to format and display that content is licensed under the [MIT license](LICENSE.md).