Regional variations in the seasonal drawdown of atmospheric CO2 can be used as a benchmark for evaluating models and satellite-derived estimates of land carbon uptake.
Diel, seasonal, and annual cycles
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Early Sprouting of Leaves Enhances Northern Hemisphere Warming
As leaf out has been advancing 4–5 days per decade, scientists say the effect of vegetation on climate remains poorly understood.
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New England Winters Are “Losing the Cold”
As extreme cold days wane, the northeastern United States has experienced an increase in mud days.
Posted inEditors' Highlights
A Step Closer to Quantifying Global Photosynthesis in Real Time
High spatial and temporal resolutions of a data set on a proxy for plant photosynthesis, as well as contiguous global coverage, have great utility for a variety of applications.
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Fish Continued to Spawn as Hurricane Harvey Swirled Overhead
Spotted seatrout, one of the most popular fish to catch on the shores of Texas, carried on their nightly baby-making ritual despite the havoc of a category 4 storm above.
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Hydrology Dictates Fate of Carbon from Northern Hardwood Forests
As spring snowmelt and fall rains inundate northern hardwood forests with moisture, soil bacteria get moving and increase carbon exports to the atmosphere and into nearby water bodies.
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Budgeting Ozone-Depleting Emissions from Coastal Tidal Marshes
Brackish wetlands and their salt-tolerant vegetation are significant methyl halide emitters. The natural emissions add chlorine and bromine to the stratosphere, which break down ozone.
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Restored Wetlands Could Lower Local Surface Temperatures
A 3-year study of wetlands and cropland in a major California delta highlights the need to consider the physical effects of vegetation when planning land use changes.
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Getting Littoral with Lake Carbon Efflux
Next generation forced diffusion chambers reveal dynamic environment for lake carbon exchange with distance from shoreline.
Posted inScience Updates
Coastal Observations from a New Vantage Point
The NASA Geostationary Coastal and Air Pollution Events satellite mission plans to keep an eye on short-term processes that affect coastal communities and ecosystems.