Collage of selected 2019 Working Group photos

Collage features 2019 Working Groups:

• Image: Portraits of John Wesley Powell
• Wetland fluxnet synthesis for methane: understanding and predicting methane fluxes at daily to interannual timescales
  Image: WetlandFlux - Mayberry
• Improved hydrologic forecasting through synthesis of critical storage components and timescales across watersheds worldwide
  Image:Two separate landscapes showing rivers flowing through them
• Future Opportunities in Regional and Global Seismic Network Monitoring and Science
  Image: World map showing the global distribution of earthquake
• Characterizing global variability in groundwater arsenic
  Image: Characterizing global variability in groundwater arsenic
• Margin-wide geological and geophysical synthesis to understand the recurrence and hazards of great subduction zone earthquakes in Cascadia
  Image: The Cascadia Subduction Zone
• Novel multi‐scale synthesis of nitrogen fixation rates and drivers across the terrestrial biosphere
  Image: Nitrogen Fixation Landscape