2024 NGWA Darcy Lecture Series

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9 December 2024 – Christchurch

Date: Monday 9 December 2024

Time: 17:30

Location: C3 Central Lecture Theatre, University of Canterbury, Christchurch/Ōtautahi

12 December 2024 – Auckland

Date: Thursday 12 December 2024

Time: 17:30 for nibbles, 18:00 for lecture

Location: BECA office, 21 Pitt St, Auckland CBD, Tāmaki Makaurau / Auckland

The New Zealand Chapter of the International Association of Hydrogeologists with the support of Beca and Intera presents

“How Groundwater Impacts the People and Ecosystems of the South Pacific Islands”

a Darcy lecture by

Matthew W. Becker, PhD

California State University Long Beach, USA

Matt Becker is the Conrey Chair in Hydrogeology and Professor of Earth Sciences at California State University Long Beach, USA. He holds degrees in Geology and Civil Engineering and has worked with Los Alamos National Labs, the U.S Geological Survey, NASA Goddard Space Flight Center, the University at Buffalo, and has been awarded Fulbright scholarships for Italy and Australia. Matt’s primary focus of research is fluid flow in highly heterogeneous subsurface environments.

Overview

The Pacific Ocean is host to more than 30,000 islands, the vast majority of which are small, remote, and vulnerable to climate variability. Groundwater plays an important role in the resilience of these isolated environments. We will see how groundwater was a critical resource for the first settlers of Rapa Nui (Easter Island), how it helps coral reefs flourish in a nutrient desert (Darwin’s Paradox), and the role it plays in terrestrial flora and fauna.

Understanding of these interactions is hindered by the complexity of groundwater flow in coastal and offshore environments. Our recent investigations of the distribution of groundwater flow to fringing coral reefs sheds some light on these processes. Climate change and sea level rise will disrupt and potentially overwhelm these unique and biologically critical ecosystems. An improved understanding of hydrogeologic systems and their interactions with marine life surrounding Pacific islands will be essential for strategic adaptation to environmental stresses.

For more information, visit groundwater.org/darcy

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Physical attendance is encouraged, but for those who cannot make it in person, please select the online attendance option during registration. The link for online participation will be provided at a later date

We are grateful for the generous support of our sponsors who have made the Auckland event possible