Publications and Presentations:
Bombuagh, R., Sparrow, E., & Mal, T. (In press.) Using GLOBE plant phenology protocols to meet the standards. The American Biology Teacher.
Bombuagh, R., Sparrow, E., & Mal, T. (In press.) Middle-schoolers on the Internet: Using GLOBE's plant phenology to help NASA monitor the growing season. Science Scope.
Bombuagh, R., Sparrow, E., & Mal, T. (Accepted with revisions.) GLOBE phenology and service learning: Linking the university and K-12 classrooms in a web-based student inquiry. Electronic Journal of Science Education.
Goldman, H.B. 2000. Estimating Growing Seasons Across the Alaskan Landscape Using AVHRR NDVI Bi-weekly Satellite Data. Master of Science Thesis. School of Agriculture and Land Resources Management, University of Alaska Fairbanks, Fairbanks, Alaska
Hilton Jr., B. 2002. Connecting GLOBE with "Operation RubyThroat: The Hummingbird Project." Presentations at summer GLOBE Teacher Trainer Workshops for Univ. North Carolina-Charlotte, Univ. North Carolina-Chapel Hill, North Carolina Ctr. for Advancement of Teaching (Cullowhee NC), Univ. South Carolina-Aiken (Savannah River Plant).
Hilton Jr., B. 2002. Operation RubyThroat: The Hummingbird Project. A GLOBE-based initiative through which students and scientists explore relationships between birds and the environment. Proceedings of the Seventh Annual GLOBE Conference, Chicago, IL.
Hilton Jr., B. 2002. Operation RubyThroat: The Hummingbird Project. Presented at the 3rd North American Ornithological Conference, New Orleans, LA
Hilton Jr., B. 2002. "New" migration patterns in Ruby-throated Hummingbirds, Archilochus colubris. Presented at the 3rd North American Ornithological Conference, New Orleans, LA.
Sparrow, E.B. 2001. Pre-college students contributing to long-term climate studies. EOS Transactions, American Geophysical Union 82: 47.
Sparrow, E.B. 2001. Pre-college Student Participation in Long Term Ecological Research. Abstract. Proceedings of the Fourth Circumpolar Agricultural Conference, Akureyri, Iceland. (August).
Sparrow, E.B. 2002. GLOBE and Phenology Protocols. Future Farmers of America Annual Alaska Conference held in Fairbanks, AK April 24.
Sparrow, E.B. 2001. GLOBE: A New Model in K-12 Science Education. Global Glimpses 9: 1-4.
Sparrow, E. B., Verbyla, D. and Gordon, L. 2000. GLOBE Seasons Investigation: Plant Phenology Protocols and Learning Activities. International Workshop on Environmental Education at the School Level in the Field of Air Quality, Organized by the Univ. of Athens and the Univ. of Helsinki with the support of the Ministry of Aegean, held at the Petros M. Nomikos Conference Center, Santorini Island, Greece.
Verbyla, D. L. 2001. A test of detecting spring leaf flush within the Alaskan boreal forest using ERS-2 and Radarsat SAR data. International Journal of Remote Sensing (in press).
White, M. et al. 2000. Young students, satellites aid understanding of climate-biosphere link. EOS, Transactions, American Geophysical Union 81: 1 and 5.
White, M. et al. 2000. Young students, satellites aid understanding of climate-biosphere link. Earth in Space 12(4): 1-16.

Messages to Students and Teachers:
Apply For a Pair of Cloned Lilac Plants (March 29, 2005)
Chief Scientist's Message on Hummingbird Special Measurement (March 15, 2002)
Operation RubyThroat: The Hummingbird Project (March 15, 2002)
Chief Scientist's Message on Phenology (February, 2002)
Phenology Observations - Using Plants to Monitor Climate (February, 2001)
Green-Up and Green-Down letter from Dr. Verbyla (February, 2001)
Lilac Investigation letter from Dr. Schwartz (February, 2001)
Budburst letter from Dr. White (February, 2001)
Chief Scientist's Message on Phenology (February, 2000)
Scientists Need Budburst Data (January, 1999)
Measuring Budburst (February, 1998)

Science Reports:
GLOBE: Special Protocols: Observing Ruby-Throated Hummingbirds (PDF) Boulder, CO 2004
Remote sensing of tree budburst in Germany: influence of satellite processing techniques and site selection Chicago, IL 2002
Operation Ruby-Throat Chicago, IL 2002
Phenological Gardens (.pdf 639 KB) Chicago, IL 2002
Identification of optimal satellite compositing length using GLOBE budburst measurements Blaine, WA 2001
Using Student Data to Track "Green-Up" Annapolis, MD 2000
GLOBE Plant Phenology Observations: Temporal and Spatial Perspectives Durham, NH 1999
Seasons: The GLOBE Plant Waves Snowmass, CO 1998

Web Chats:
April 4, 2001 Budding Ideas / Phenology Web Chat
March 21, 2000 Budbust and Lilac Special Measurements / Phenology Web Chat