temperature

Temperature comparison: field, road, vegetation

Temperature comparison: field, road, vegetation

Once again on the road to measure temperature differences. Very exciting. Here two comparisons – at each 20°C difference between “without vegetation/open ground” and “with vegetation/trees”. Very impressive. What effects do surface temperatures of 60°C have, directly on the ground, the plants, the air layers, the weather?

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Sub-canopy microclimate temperatures of European forests

Sub-canopy microclimate temperatures of European forests

Mind the difference between air temperature measured in 2m height and at the ground:

Ecological research heavily relies on coarse-gridded climate data based on standard- ized temperature measurements recorded at 2 m height in open landscapes. However, many organisms experience environmental conditions that differ substantially from those captured by these macroclimatic (i.e. free air) temperature grids. […]. We found that sub-canopy air tem- peratures differ substantially from free-air temperatures, being on average 2.1°C (standard deviation ± 1.6°C) lower in summer and 2.0°C higher (±0.7°C) in winter across Europe.

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Differences in temperature on open and vegetated soils (II)

Differences in temperature on open and vegetated soils (II)

Been out again yesterday, and made a few new measurements. Astonishing the high temperatures on the open ground with >50°C – as hot as the asphalt. And also fascinating the comparison between “on the mulch” and “under the mulch” for vegetables: 24°C difference.

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