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Dr Carolynne Hultquist

Contact

Department: School of Earth and Environment

Email: carolynne.hultquist@canterbury.ac.nz

Direct Dial: +64 3 3691303

Office:

Languages: English, Spanish

Teaching students to analyze spatial data using Python and R programming to inform on global challenges is one of the most rewarding parts of my work.
About
Research / Creative works
Projects
Methods & Equipment

Fields of Research

  • Geoinformatics
  • Disasters
  • Citizen Science
  • Emergency Management

Researcher Summary

I’m a spatial data scientist who develops computational approaches to integrate and validate data on physical and human systems for decision making during disasters. A core aspect of my research is the evaluation of citizen science data to improve monitoring of environmental hazards at local scales. I serve as co-chair of the Committee on Data (CODATA) Participatory Mapping task group of the International Science Council.

Subject Area: Disciplines

  • Computer Science, Information Technology, Information Sciences: Information Sciences
  • Earth Sciences: Hydrology; Meteorology
  • Environmental Studies: Environmental Science
  • Human Geography: GIS
  • Science & Technology: Science & Technology
  • Statistics: Applied Statistics
  • Resilience: Social: Emergency Management Planning
  • Resilience: Technological: Geospatial Analysis and Remote Sensing

Research/Scholarly/Creative Works

Journal Articles
  • Bucherie A., Hultquist C., Adamo S., Neely C., Ayala F., Bazo J. and Kruczkiewicz A. (2022) A comparison of social vulnerability indices specific to flooding in Ecuador: principal component analysis (PCA) and expert knowledge. International Journal of Disaster Risk Reduction 73 http://dx.doi.org/10.1016/j.ijdrr.2022.102897.
  • Hultquist C. and Tubbeh RM. (2022) Digital Sociotechnical Systems of Mutual Aid: How Communities Connected, Adapted, and Innovated During the COVID-19 Pandemic in New York City. Citizen Science: Theory and Practice 7(1) http://dx.doi.org/10.5334/cstp.454.
  • Hultquist C., de Sherbinin A., Bowser A. and Schade S. (2022) Editorial: Open Citizen Science Data and Methods. Frontiers in Climate 4 http://dx.doi.org/10.3389/fclim.2022.943534.
  • Tedesco M., Hultquist C. and De Sherbinin A. (2022) A New Dataset Integrating Public Socioeconomic, Physical Risk, and Housing Data for Climate Justice Metrics: A Test-Case Study in Miami. Environmental Justice 15(3): 149-159. http://dx.doi.org/10.1089/env.2021.0059.
  • Tedesco M., Keenan JM. and Hultquist C. (2022) Measuring, mapping, and anticipating climate gentrification in Florida: Miami and Tampa case studies. Cities 131 http://dx.doi.org/10.1016/j.cities.2022.103991.
  • Velez R., Calderon D., Carey L., Aime C., Hultquist C., Yetman G., Kruczkiewicz A., Gorokhovich Y. and Chen RS. (2022) Advancing Data for Street-Level Flood Vulnerability: Evaluation of Variables Extracted from Google Street View in Quito, Ecuador. IEEE Open Journal of the Computer Society 3: 51-61. http://dx.doi.org/10.1109/ojcs.2022.3166887.
  • Zimmerer KS., Jones AD., de Haan S., Creed-Kanashiro H., Tubbeh RM., Hultquist C., Tello Villavicencio MN., Plasencia Amaya F. and Nguyen KT. (2022) Integrating Social-Ecological and Political-Ecological Models of Agrobiodiversity With Nutrient Management of Keystone Food Spaces to Support SDG 2. Frontiers in Sustainable Food Systems 6 http://dx.doi.org/10.3389/fsufs.2022.734943.
  • de Sherbinin A., Bowser A., Chuang TR., Cooper C., Danielsen F., Edmunds R., Elias P., Faustman E., Hultquist C. and Mondardini R. (2021) The Critical Importance of Citizen Science Data. Frontiers in Climate 3 http://dx.doi.org/10.3389/fclim.2021.650760.
  • Hultquist C., Oravecz Z. and Cervone G. (2021) A Bayesian Approach to Estimate the Spatial Distribution of Crowdsourced Radiation Measurements around Fukushima. ISPRS International Journal of Geo-Information 10(12) http://dx.doi.org/10.3390/ijgi10120822.
  • Kruczkiewicz A., Bucherie A., Ayala F., Hultquist C., Vergara H., Mason S., Bazo J. and de Sherbinin A. (2021) Development of a flash flood confidence index from disaster reports and geophysical susceptibility. Remote Sensing 13(14) http://dx.doi.org/10.3390/rs13142764.
  • Tuholske C., Gaughan AE., Sorichetta A., de Sherbinin A., Bucherie A., Hultquist C., Stevens F., Kruczkiewicz A., Huyck C. and Yetman G. (2021) Implications for tracking sdg indicator metrics with gridded population data. Sustainability (Switzerland) 13(13) http://dx.doi.org/10.3390/su13137329.
  • Archer CL., Cervone G., Golbazi M., Al Fahel N. and Hultquist C. (2020) Changes in air quality and human mobility in the USA during the COVID-19 pandemic. Bulletin of Atmospheric Science and Technology 1(3-4): 491-514. http://dx.doi.org/10.1007/s42865-020-00019-0.
  • Hultquist C. (2020) Representation in geosocial data: Grappling with uncertainty in digital traces of human activity. International Journal of Humanities and Arts Computing 14(1-2): 218-234. http://dx.doi.org/10.3366/ijhac.2020.0253.
  • Hultquist C. and Cervone G. (2020) Integration of crowdsourced images, USGS networks, remote sensing, and a model to assess flood depth during Hurricane Florence. Remote Sensing 12(5) http://dx.doi.org/10.3390/rs12050834.
  • Zimmerer K., Carrasco M., de Haan S., Meza K., Jones A., Tubbeh R., Creed-Kanashiro H., Nguyen KT., Tello M. and Hultquist C. (2020) Indigenous Smallholder Struggles in Peru: Nutrition Security, Agrobiodiversity, and Food Sovereignty amid Transforming Global Systems and Climate Change. Journal of Latin American Geography http://dx.doi.org/10.1353/lag.0.0154.
  • Cervone G. and Hultquist C. (2019) Response to critique of article “Calibration of Safecast dose rate measurements”. Journal of Environmental Radioactivity 197: 129. http://dx.doi.org/10.1016/j.jenvrad.2018.11.002.
  • Hultquist C. and Cervone G. (2019) Comparison of simulated radioactive atmospheric releases to citizen science observations for the Fukushima nuclear accident. Atmospheric Environment 198: 478-488. http://dx.doi.org/10.1016/j.atmosenv.2018.10.018.
  • Kugler TA., Grace K., Wrathall DJ., de Sherbinin A., Van Riper D., Aubrecht C., Comer D., Adamo SB., Cervone G. and Engstrom R. (2019) People and Pixels 20 years later: the current data landscape and research trends blending population and environmental data. Population and Environment 41(2): 209-234. http://dx.doi.org/10.1007/s11111-019-00326-5.
  • Cervone G. and Hultquist C. (2018) Calibration of Safecast dose rate measurements. Journal of Environmental Radioactivity 190-191: 51-65. http://dx.doi.org/10.1016/j.jenvrad.2018.04.018.
  • Hultquist C. and Cervone G. (2018) Citizen monitoring during hazards: validation of Fukushima radiation measurements. GeoJournal 83(2): 189-206. http://dx.doi.org/10.1007/s10708-017-9767-x.
  • Coletti M., Hultquist C., Kennedy WG. and Cervone G. (2017) Validating Safecast data by comparisons to a U. S. Department of Energy Fukushima Prefecture aerial survey. Journal of Environmental Radioactivity 171: 9-20. http://dx.doi.org/10.1016/j.jenvrad.2017.01.005.
  • Hultquist C., Chen G. and Zhao K. (2014) A comparison of Gaussian process regression, random forests and support vector regression for burn severity assessment in diseased forests. Remote Sensing Letters 5(8): 723-732. http://dx.doi.org/10.1080/2150704X.2014.963733.
Chapters
  • Hultquist C. (2020) Systems Science. Encyclopedia of Big Data: 1-3.Springer International Publishing. http://dx.doi.org/10.1007/978-3-319-32001-4_464-2.
  • Hultquist C. (2018) Disaster Planning. Encyclopedia of Big Data: 1-3.Springer International Publishing. http://dx.doi.org/10.1007/978-3-319-32001-4_338-1.
  • Hultquist C. (2017) Data Fusion. Encyclopedia of Big Data: 1-2.Springer International Publishing. http://dx.doi.org/10.1007/978-3-319-32001-4_305-1.
  • Hultquist C. (2017) Satellite Imagery/Remote Sensing. Encyclopedia of Big Data: 1-4.Springer International Publishing. http://dx.doi.org/10.1007/978-3-319-32001-4_439-1.
  • Hultquist C. (2017) Sensor Technologies. Encyclopedia of Big Data: 1-3.Springer International Publishing. http://dx.doi.org/10.1007/978-3-319-32001-4_442-1.
  • Hultquist C., Sava E., Cervone G. and Waters N. (2017) Damage assessment of the urban environment during disasters using volunteered geographic information. Big Data for Regional Science: 214-228. http://dx.doi.org/10.4324/9781315270838.
  • Hultquist C., Sava E., Cervone G. and Waters N. (2017) Damage assessment of the urban environment during disasters using volunteered geographic information. Big Data for Regional Science: 214-228.Routledge. http://dx.doi.org/10.4324/9781315270838-18.
Conference Contributions - Published
  • Hultquist C. (2019) From the sky to the crowd: Integrating geospatial big data sources for decision-making. In Proceedings of the International Astronautical Congress, IAC 2019-October.
  • Hultquist C. (2017) Systems view of the spatio-temporal resolution of information during hurricanes. In Proceedings of the International Astronautical Congress, IAC 18: 12361-12366.
  • Hultquist C., Simpson M., Cervone G. and Huang Q. (2015) Using nightlight remote sensing imagery and twitter data to study power outages. In Proceedings of the 1st ACM SIGSPATIAL International Workshop on the Use of GIS in Emergency Management, EM-GIS 2015 http://dx.doi.org/10.1145/2835596.2835601.

Future Research

  • Environmental Justice
  • Multi-hazard climatic risk

Key Methodologies

  • Remote Sensing
  • Spatio-Temporal Analysis
  • Data Mining
  • Social Media Analytics
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