Dewey is an environmental researcher and programmer based in Halifax, Nova Scotia. Dewey’s academic research is in paleolimnology, or the use of lake sediments to track environmental change, and its applications to the water and wastewater industry. Dewey’s passion for technology has led him to develop mobile applications (Canada Weather, Prairie Coordinates, Canada Topo) and R packages (rcanvec, rosm, prettymapr, exifr, rclimateca), among other technological endeavors. Dewey enjoys developing technological solutions for environmental problems, and applying ideas from the environmental sector to his technological work. He is currently pursuing his Ph.D. in the Centre for Water Resources Studies at Dalhousie University.
- Dunnington D., Spooner I.S., Krkošek W.H., Gagnon G.A., Cornett R.J., Kurek J., White C.E., Misiuk B., Tymstra D. (in press). Separating anthropogenic watershed activity using bulk sediment geochemistry. Lake and Reservoir Management.
- Dunnington D., Spooner I.S. (in press). Using a linked table-based structure to encode self-describing multi-parameter spatiotemporal data. FACETS.
- Dunnington D., White H., Spooner I.S., Mallory M.L., White C., O’Driscoll N.J., McLellan N.R. (2017). A paleolimnological archive of metal sequestration and release in the Cumberland Basin Marshes, Atlantic Canada. FACETS. doi:10.1139/facets-2017-0004
- Spooner I.S., Principato S., Hill N., White H., Dunnington D., Neily T., Stolze S. (2017). Late Holocene records of changing moisture regime from wetlands in southwestern Nova Scotia, Canada: implications for wetland conservation and restoration. Northeastern Naturalist 24(3): 331-348. doi:10.1656/045.024.0310
- Dunnington D., Spooner I.S. (2017). Modeling the effect of convex upward deformation and horizontal sectioning on paleolimnological data. Journal of Paleolimnology 57(4): 361-368. doi:10.1007/s10933-017-9947-1
- Dunnington D., Spooner I.S., White C., Cornett R.J., Williamson D., and Nelson, M. (2016). A geochemical perspective on the impact of development at Alta Lake, British Columbia, Canada. Journal of Paleolimnology 56(4): 315–330. doi:10.1007/s10933-016-9919-x
- Dunnington D., White H., Spooner I.S., O’Driscoll N.J., White C. and McLellan, N. (2015). A 10,000-year record of environmental change at Long Lake, Cumberland Marshes region, Nova Scotia-New Brunswick border region, Canada. Open File Illustration 2015-001, Nova Scotia Department of Natural Resources, Halifax, Nova Scotia.
- Dunnington, D. and Spooner, I.S. (2014). Developing Methods for the Rapid Determination of the Impact of Watershed Development on Small Lakes: A Case Study from Alta Lake, Whistler, British Columbia. Report for Cascade Environmental Resources Group, Whistler, British Columbia.
- Dunnington D. and Stanford C. (2010). History of Agricultural Change in the Region. In An Examination of Kentville’s Environmental History: A Report for the Town of Kentville Integrated Community Sustainability Planning Group edited by David Duke, pp. 122-138. Report for the Town of Kentville, Kentville, Nova Scotia.
- Dunnington D., Spooner I.S., Krkosek W., and Gagnon G. (2017). Using Lake Sediment to predict future treatment challenges: A case study from Halifax, Nova Scotia. Presentation at the Atlantic Water and Wastewater Association Annual Conference, Charlottetown, Prince Edward Island.
- Dunnington D., Spooner I.S., Krkosek W., Gagnon G., and White C. (2017). A unified stable Pb sediment chronology for Halifax, Nova Scotia, Canada. Presentation at the Paleolimnology Symposium, St. Catherine’s, Ontario.
- Dunnington D., Spooner I.S., White C., Gagnon G., and Krkosek W. (2016). Preliminary results and experimental design for a bulk geochemical assessment of sediment from drinking water reservoirs in Halifax, Nova Scotia, Canada. Presentation at the Paleolimnology Symposium, Kingston, Ontario.
- Dunnington D. (2016). Flexible, platform-independent, open-source data structures and conversion mechanisms for paleolimnological data. Poster at the Paleolimnology Symposium, Kingston, Ontario.
- Dunnington D., Spooner I.S., and White C. (2016). Paleolimnology and long-term perspectives on water quality at Alta Lake, Whistler, British Columbia, Canada: implications for management. Presentation at the Geological Society of America Northeast Section, Albany, New York.
- Spooner I.S., Dunnington, D., and White C. (2016). Using paleolimnological techniques and XRF to investigate metal sequestration, mobility, and bioavailability in shallow lakes: case studies from Nova Scotia, Canada. Presentation at the Geological Society of America Northeast Section, Albany, New York.
- Dunnington D., Spooner I.S., and White C. (2015). Decoupling natural and anthropogenic change at Alta Lake, Whistler, British Columbia: Implications for management. Presentation at the Canadian Quaternary Association Biennial Meeting, St. John’s, Newfoundland.
- Dunnington D., Spooner I.S., and White C. (2015). Decoupling natural and anthropogenic change at Alta Lake, Whistler, British Columbia: Implications for management. Presentation at the Paleolimnology Symposium, Waterloo, Ontario.
- Dunnington D., White H., Spooner I.S., O’Driscoll N.J., White, C. and McLellan, N. (2015). A 10,000-year record of environmental change at Long Lake, Cumberland Marshes region, Nova Scotia-New Brunswick border region, Canada. Poster at the Atlantic Geoscience Colloquium, Sackville, New Brunswick. Received the Graham Williams award for best graduate poster.
- Ratiu I. and Dunnington D. (2012). Remediation of Salt-Impacted Soils Using Automated Conductivity Monitoring, Leachate Collection, Irrigation, and Injection: Alternative Methods for In-Situ Remediation. Presentation at the Remediation Technologies Symposium, Banff, Alberta.
- Dunnington, D. (2011). Using Paleolimnological Methods to Track Late-Holocene Environmental Change at Long Lake, New Brunswick-Nova Scotia Border Region, Canada. Presentation: Atlantic Universities Geoscience Conference, St. John’s, Newfoundland. Received an award for best paper.
- RClimateCa – Seamless access to Canadian climate data
This R package automates the process of obtaining Canadian climate data, particularly when high-resolution data is needed across a long period of time. Accepted to the CRAN repository December 2016. Available at https://cran.r-project.org/package=rclimateca.
- Prettymapr – Tools for creating publication-ready maps in R
This R package automates the process of adding scale bars, north arrows, and borders around maps with a minimal, intuitive interface. The package also interfaces with geocoding APIs to easily retrieve coordinates based on human-readable names for the purpose of rapid publication-ready mapping in R. Accepted to the CRAN package repository October 2015. Available at https://cran.r-project.org/package=prettymapr.
- QOSM – Open Street Maps tiles in QGIS
This QGIS plugin enables downloading and use Open Street Map and other tiled basemap sources from within the open-source GIS application QGIS. Used GDAL and QGIS Python bindings to create a framework for rendering base map tiles with a PyQt-based user interface. Accepted to the QGIS plugin repository January 2016. Available at http://plugins.qgis.org/plugins/qosm/.
- Canada Weather & Radar – Environment Canada Weather in Android
Canada Weather is a small, free weather app for Android that uses publicly available weather data from Environment Canada. The app makes it possible to view animated radar imagery, current conditions, and forecasts for multiple locations including alerts for weather warnings and notifications. Available on the Google Play Store since November 2012 at https://play.google.com/store/apps/details?id=ca.fwe.caweather.
- RCanVec – Easy access to free Canadian vector data from R
RCanVec provides an interface to the National Topographic System (NTS), which is the way in which a number of freely available Canadian datasets are organized. CanVec and CanVec+ datasets, which include all data used to create Canadian topographic maps, are two such datasets that are useful in creating vector-based maps for locations across Canada. This package searches CanVec data by location, plots it using pretty defaults, and exports it to shapefiles with human-readable names for use in another GIS. Accepted to the CRAN package repository October 2015. Available at https://cran.r-project.org/package=rcanvec.
- Prairie Coordinates Plus – Directions to oilfield locations from Android
Prairie Coordinates Plus is an app written for Android to approximate and convert locations of Legal Land Descriptions (LLD), National Topographic System (NTS) coordinates, Universal Transverse Mercator (UTM) coordinates, for use in oil producing areas of Canada. With smart export an import formats, Prairie Coordinates Plus has high ratings and positive reviews. Available on the Google Play Store since June 2012 at https://play.google.com/store/apps/details?id=ca.fwe.pcoordplus.
- ROSM – Plot Open Street Map tiles in R
ROSM provides an interface to easily plot tiles from Open Street Maps, Bing Maps, and other tiled sources using a minimal amount of code. Adopted by the Cartography package for use in its base map plotting routines. Accepted to the CRAN package repository October 2015. Available at https://cran.r-project.org/package=rosm.
- Canada Topo – Free Canadian topographic maps in Android
Canada Topo is designed to display the National Topographic System (NTS) grid for Canada and display topographic maps published by the government. It also acts as a basic GPS, offering tracking and waypoint functions as well as GPX/KML export. The key feature of this app is that topographic maps are available for offline use, enabling its use in remote locations. Available on the Google Play Store since November 2014 at https://play.google.com/store/apps/details?id=net.fishandwhistle.ctexplorer.