Research Associate
National Oceanic and Atmospheric Administration
University of California Santa Cruz
MSc. James Cook University
B.A. Whitman College
Climate & Ecosystems Group
Google scholar
The Conversation



Research Interests

My research focuses on understanding and planning for the spatial and temporal dynamics of large-scale marine processes.



• Science Communications

Welch, H., Hazen E.L., Brodie, S. 2018. Fishing forecasts can predict marine creature movements. The Conversation.

To protect ocean life, marine reserves have to be redrawn based on science. Interview in Scientific American. 2018.

Welch, H., McHenry, J. 2018. To conserve ocean life, marine reserves need to protect species that move around. The Conversation.

Welch H. 2016. Three ways to improve U.S. marine protected areas. PLOS Blogs.

• Other

GIS and remote sensing lab: Analyzing historical chlorophyll-a trends in the Caribbean (click here for accompanying data)

Species seasonal movements in the Mid-Atlantic, USA

International Congress for Conservation Biology presentation, July 26th, Cartagena, Colombia:


• Examples of GIS-based products:

Stylized map of The World based on NOAA’s ETOPO1 data.


The Northeast Atlantic Seafloor

Stylized map of the Northeast Atlantic Seafloor.


Screen Shot 2015-02-03 at 3.06.45 PM
Quantifying patterns of chlorophyll a in the Caribbean to identify priorities for management.


bearHeatmap of 2012 movement density for female black bear “Pout” (Ursus americanus) in Grafton County, NH, USA


cube surface

Exaggerated multibeam CUBE surface showing fine-scale bathymetry near Seattle, WA, USA


Backscatter survey tracks measuring seafloor hardness for inclusion in benthic habitat classifications, New Jersey state waters, USA