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Sustainability Events

The Inverse Texture Effect: A Neglected Idea in Dryland Ecohydrology

Global Drylands Center
Wednesday, November 28, 2018
3:00 - 4:00 p.m.

William Laurenroth

  • School of Forestry and Environmental Studies, Yale University

The inverse texture effect is often described as a fundamental characteristic of dryland ecosystems. Walter and Noy-Meir described it in the 1970s and since then little has been done beyond treating it as though it were indeed a fundamental characteristic. How much do we really know about it? This seminar will...

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Hugh Hanson Seminar: Frontiers in the Assessment of Global Funding for Biodiversity Conservation

Biodiversity Outcomes Global Drylands Center
Wednesday, April 25, 2018
3:00 - 4:00 p.m.

Daniel Miller

  • Assistant Professor, Natural Resources and Environmental Sciences, University of Illinois at Urbana-Champaign

Funding for biodiversity is critical to achieving international conservation and sustainable development goals. However, investment decisions are hindered by lack of information on financial flows and considerable uncertainty over the likely impact of conservation spending. Miller will share results from recent research on both the allocation and effectiveness of international...

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Looking for a Pulse in Dryland Ecosystems: Evaluating the Pulse Dynamics Paradigm Forty Years after its Creation

Global Drylands Center
April 10 - 13, 2018

Dryland ecosystems are characterized by infrequent and variable precipitation and, in his seminal 1973 paper, Noy-Meir proposed hypotheses that placed dryland ecosystem controls into a ‘pulse dynamics’ framework. This framework has become a central tenet for dryland ecology and, while it has been frequently cited and built upon, the paradigm...

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The Hidden Invasive Species: The Multiple Roles of Native Invasive Plants

Global Drylands Center
Wednesday, February 28, 2018
3:00 - 4:00 p.m.

David Ward

  • Herrick Endowed Chair of Plant Biology, Kent State University

Plant species redistribution can be caused by invasion of species from other countries and by encroachment or range expansion of native species (native invasives). An effective strategy for studying native invasives is to use a number of approaches that include use of fixed-point photographs and sequential aerial photographs. In a...

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Optimizing Urban Irrigation Schemes for the Trade-off between Energy and Water Consumption

Sustainability@ASU Global Drylands Center
Wednesday, November 29, 2017
12:00 - 1:00 p.m.

Zhihua Wang

  • Assistant Professor, School of Sustainable Engineering and the Built Environment

Irrigation of green spaces in cities helps to reduce thermal stress and building energy consumption in hot seasons, but requires an intricate balance between energy and water resource usage. In this study, a cutting-edge urban canopy model is applied to assess the impact of a variety of controlled irrigation schemes...

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Global Drylands Center Director Osvaldo Sala Speaks at "In the Green Room"

Global Drylands Center Sustainability@ASU
Tuesday, November 28, 2017
6:00 - 7:00 p.m.MST

Osvaldo Sala

  • Director, Global Drylands Center

Director Sala is visiting, “In the Green Room”, a radio show dedicated to inspire and engage everyone towards a more sustainable way of living. Dr. Sala will be talking about the Global Drylands Center and how it will become a world leading institution in discovery and education working towards a...

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Second Gathering ASU-CICESE

Global Drylands Center
Thursday-Friday, November 9-10, 2017
8:30 a.m.

In an effort to fuel trans-border scientific collaboration, a group of fellow scientists from CICESE (Centro de investigación científica y de educación superior de Ensenada) visit ASU for the second ASU-CICESE gathering. This event, cross-sponsored by different centers and schools, tackles topics of interest for these two institutions embedded in...

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PhD Defense: Deep Percolation in Arid Piedmont Watersheds and its Sensitivity to Ecosystem Change

Global Drylands Center
Thursday, November 2, 2017
3:00 p.m.

Adam Schreiner-McGraw

  • PhD Candidate, School of Earth and Space Exploration

Abstract

Distributed model simulations quantified deep percolation produced during the streamflow generation process in a first-order watershed, and indicated that it plays a significant role in moderating the production of streamflow. Sensitivity analyses revealed that hillslope properties control the amount of rainfall necessary to initiate percolation while channel properties control the...

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Multiscale Spatial and Temporal Statistical Properties of Rainfall in Central Arizona

Global Drylands Center Sustainability@ASU
Wednesday, October 4, 2017
12:00 - 1:00 p.m.

Giuseppe Mascaro

  • Assistant Professor, School of Sustainable Engineering and the Built Environment

The statistical properties of the rainfall regime in central Arizona were investigated using observations from the early 1980s of the Flood Control District of Maricopa County network, currently consisting of 310 gauges ranging in elevation from 220 to 2325 m MSL. A set of techniques was applied to analyze the...

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