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Related Concept Videos

Global Climate Change01:50

Global Climate Change

Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.
Precipitation Processes01:12

Precipitation Processes

The experimental conditions in a gravimetric analysis should be optimized to maximize the particle size and purity of the obtained precipitate. Ideally, the concentration of the precipitating reagent should be low with effective stirring to maintain low relative supersaturation for the growth of large crystals. In homogeneous precipitation, the precipitant is slowly generated by a chemical reaction in the solution to avoid local reagent excesses. For example, urea decomposes gradually to...
What is Climate?01:16

What is Climate?

Climate refers to the prevailing weather conditions in a specific area over an extended period. As the saying goes, “Climate is what you expect. Weather is what you get.” Climate is influenced by geographic factors, such as latitude, terrain, and proximity to bodies of water.
Microbes and Climate Change01:27

Microbes and Climate Change

Microorganisms are pivotal agents in Earth's biogeochemical cycles, significantly influencing climate dynamics through their metabolic activities. These microbes modulate the levels of key greenhouse gases by both contributing to and helping mitigate climate change.Microbial Contributions to Greenhouse Gas EmissionsRising global temperatures accelerate microbial metabolism, which, in turn, speeds up the decomposition of organic matter. This process releases carbon dioxide (CO₂) through...
Adaptations that Reduce Water Loss01:57

Adaptations that Reduce Water Loss

Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.
Isochoric and Isobaric Processes01:21

Isochoric and Isobaric Processes

A thermodynamic process that occurs at constant volume is called an isochoric process. According to the first law of thermodynamics, heat supplied or removed from the system is partially utilized to perform work and change the internal energy of the system. However, in an isochoric process, the volume remains constant. Hence, the work done by the system is zero. Therefore, the exchange of heat changes the internal energy of the system only. 
Suppose 1000 g of water is heated from 40 degrees...

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The Calibration and Use of Capacitance Sensors to Monitor Stem Water Content in Trees
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Published on: December 27, 2017

Canopy processes in a changing climate.

Anthony P O'Grady, David T Tissue, Chris L Beadle

    Tree Physiology
    |September 23, 2011
    PubMed
    Summary
    This summary is machine-generated.

    Forest canopies are vital for Earth-atmosphere exchange. Understanding how forest canopy processes respond to climate change is crucial for carbon storage and forest management.

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    Area of Science:

    • Forestry and Environmental Science
    • Ecology and Ecosystem Dynamics
    • Atmospheric Science

    Background:

    • Forest canopies play a critical role in regulating mass and energy exchange between terrestrial ecosystems and the atmosphere.
    • The International Union of Forest Research Organizations (IUFRO) Canopy Processes Working Group facilitates interdisciplinary research on canopy processes, from leaf-level to ecosystem-scale.
    • Understanding these processes is essential due to ongoing climate change, particularly rising atmospheric carbon dioxide (CO2) levels.

    Discussion:

    • Forests are significant terrestrial biomes and major carbon sinks, storing carbon in wood and soils.
    • Climate change impacts forest carbon storage, water usage, biodiversity, and management strategies.
    • A 2010 workshop in Southeast Australia focused on the effects of climate change on forest canopies, identifying knowledge gaps.

    Key Insights:

    • Forest canopy processes are central to ecosystem function and global biogeochemical cycles.
    • Climate change poses significant risks to forest health, carbon sequestration capacity, and water resources.
    • Interdisciplinary collaboration is vital for advancing research on forest canopy responses to environmental shifts.

    Outlook:

    • Further research is needed to address knowledge gaps in forest canopy responses to climate change.
    • Developing new research directions is essential for effective forest management and conservation strategies.
    • Continued monitoring and modeling of canopy processes will inform adaptation and mitigation efforts in a changing climate.