GRIP and GISP2 Greenland ice-core drilling projects (1989–1997)

1. European Science Foundation backs GRIP programme

   Oct 1, 1988Labels: European Science, GRIP

   • GRIP Report

2. NSF formally initiates GISP2 planning

   Dec 1, 1988Labels: National Science, GISP2

   • GISP2 Notebook
   • GISP2 Notebook

3. GRIP secures European Commission support

   Jan 1, 1989Labels: European Commission, GRIP

   • GRIP Report
   • CORDIS

4. Summit Camp established and fieldwork begins

   May 1, 1989Labels: Summit Camp, GISP2

   • GISP2 Notebook
   • GRIP Report
   • GEOSummit

5. GRIP deep drilling begins at Summit

   Jun 1, 1990Labels: GRIP, Deep Drill

   • GRIP Report
   • GRIP Wiki

6. EU-funded GRIP trace-gas analysis period starts

   Apr 1, 1991Labels: GRIP, Trace-gas Study

   • CORDIS

7. GRIP reaches basal ice near bedrock

   Jul 12, 1992Labels: GRIP, Basal Ice

   • GRIP Report
   • GRIP Wiki

8. First joint GRIP–GISP2 workshop held

   Apr 1, 1993Labels: GRIP, GISP2

   • GRIP Report

9. GRIP uses 1993 season for hole logging

   Jun 1, 1993Labels: GRIP, Borehole Logging

   • GRIP Report

10. GISP2 reaches bedrock at Summit site

    Jul 1, 1993Labels: GISP2, Summit Site

    • GISP2 Notebook
    • GISP Wiki

11. GRIP and GISP2 publish major Nature findings

    Jul 15, 1993Labels: GRIP, GISP2

    • Nature
    • Nature

12. Nature comparison highlights GRIP–GISP2 differences

    Dec 9, 1993Labels: Nature Comparison, Isotope Records

    • CU Experts

13. GRIP final field season and joint borehole work

    Jun 1, 1995Labels: GRIP, Borehole Measurements

    • GRIP Report

14. Second joint GRIP–GISP2 workshop closes GRIP phase

    Sep 1, 1995Labels: GRIP, GISP2

    • GRIP Report

15. Summit camp transitions toward long-term observatory role

    Jan 1, 1997Labels: Summit Observatory, Research Infrastructure

    • GEOSummit
    • GISP Wiki