Climate Change and Vegetation Quiz

Deforestation leads to less evapotranspiration, resulting in decreased cloud cover.

Global greening can slow down global warming but may increase the risk of summer droughts.

The Amazon rainforest is highlighted as a major deforestation hotspot.

<p>Clean energy use and solar geoengineering are noted climate change mitigation plans.</p> Signup and view all the answers

<p>Managed greening, like afforestation, contributes positively to global climate by mitigating warming effects.</p> Signup and view all the answers

<p>Physiology and Species distribution.</p> Signup and view all the answers

<p>Vegetation changes can lower reflectance, leading to more light absorption which heats the Earth's surface.</p> Signup and view all the answers

<p>Vegetation influences transpiration, which is vital for maintaining the hydrological cycle.</p> Signup and view all the answers

<p>Higher light absorption promotes increased rates of photosynthesis.</p> Signup and view all the answers

<p>29%.</p> Signup and view all the answers

<p>44%.</p> Signup and view all the answers

<p>Through increased transpiration and photosynthesis, vegetation can lower surface temperatures.</p> Signup and view all the answers

<p>Vegetation feedbacks that influence carbon uptake and release.</p> Signup and view all the answers

<p>Global greening involves land use management, natural greening refers to enhanced productivity per area, and managed greening includes creating more green areas through improved land use.</p> Signup and view all the answers

<p>The Three-North Shelterbelt, the Natural Forest Conservation Program (NFCP), and the Grain to Green Program (GTGP) are major afforestation initiatives that began in 1978, 1998, and 1999 respectively.</p> Signup and view all the answers

<p>Afforestation decreases daytime LST by about 1.1 °C and increases nighttime LST by about 0.2 °C.</p> Signup and view all the answers

<p>Afforestation leads to increased precipitation and evapotranspiration while decreasing soil moisture.</p> Signup and view all the answers

<p>Precipitation (Pre) refers to the amount of moisture that falls to the ground, while evapotranspiration (ET) encompasses the total water loss due to evaporation and plant transpiration.</p> Signup and view all the answers

<p>The Grain to Green Program (GTGP) lasted from 1999 to 2010.</p> Signup and view all the answers

<p>The leaf area index (LAI) indicates the density of leaves in a given area, which influences evapotranspiration rates and overall vegetation productivity.</p> Signup and view all the answers

<p>One intended outcome of managed greening is to create more green areas while optimizing land use management.</p> Signup and view all the answers

<p>To mitigate global warming.</p> Signup and view all the answers

<p>The trend shows a reduction in temperature anomalies during the period when geoengineering begins.</p> Signup and view all the answers

<p>10 Mt SO2 per year for tropical geoengineering.</p> Signup and view all the answers

<p>It refers to human-induced effects, particularly on climate and temperature anomalies.</p> Signup and view all the answers

<p>The peak indicates a sustained increase in temperature anomalies before geoengineering's impact can take effect.</p> Signup and view all the answers

<p>It marks the reference study by Robock et al. that provides the basis for the geoengineering data.</p> Signup and view all the answers

<p>The graph shows a leveling off of temperature anomalies concurrent with the start of geoengineering practices.</p> Signup and view all the answers

<p>One concern is the potential for unintended climatic changes that could disrupt weather patterns.</p> Signup and view all the answers

<p>Earth's greening slowed down the temperature rise by 0.09 ± 0.02 ℃.</p> Signup and view all the answers

<p>The Earth's surface air temperature increased by approximately 0.5 ℃.</p> Signup and view all the answers

<p>The hypothesis proposes that earlier spring phenology leads to earlier use of soil water.</p> Signup and view all the answers

<p>The feedback mechanism describes how natural greening affects soil moisture, causing summer soil water anomalies.</p> Signup and view all the answers

<p>An increase in spring LAI corresponds to a decreasing summer soil water anomaly.</p> Signup and view all the answers

<p>Global greening induced a decrease in summer soil water.</p> Signup and view all the answers

<p>'Phenology' refers to the timing of seasonal events in plants, such as leaf emergence.</p> Signup and view all the answers

<p>The notable drying trend is associated with observations from 1985 to 2010.</p> Signup and view all the answers

<p>Soil moisture feedback is significant as it illustrates how vegetation changes can influence water cycles and climate.</p> Signup and view all the answers

<p>Satellite detection methods and process models were mentioned for observing greening.</p> Signup and view all the answers

<p>13-61 mEq m-2 a-1</p> Signup and view all the answers

<p>Vegetation changes alter the land surface energy balance and hydrological cycle.</p> Signup and view all the answers

<p>15-72 mEq m-2 a-1</p> Signup and view all the answers

<p>Sulfate can still damage human ecosystems.</p> Signup and view all the answers

<p>Most terrestrial ecosystems will soon reach their tipping point.</p> Signup and view all the answers

<p>Clean energy use is more favored.</p> Signup and view all the answers

<p>24-182 mEq m-2 a-1</p> Signup and view all the answers

<p>Ho Cheuk Hei, Lam Yat Fung, and Li Wen Jie.</p> Signup and view all the answers