Table 1 2011–2012 area-averaged cloud fraction and cloud effects on the ice sheet SEB, SMB, and surface meteorological conditions calculated by NHM–SMAP. P, T, and q represent surface pressure, 2 m air temperature, and 2 m water vapour mixing ratio, respectively (w.e. means “water equivalent”).
From: Cloud-driven modulations of Greenland ice sheet surface melt
Entire ice sheet | Southern and western ablation areas | |||||
|---|---|---|---|---|---|---|
1112_MAM | 1112_JJA | 1112 | 1112_MAM | 1112_JJA | 1112 | |
Cloud fraction | 0.50 | 0.46 | 0.54 | 0.48 | 0.39 | 0.46 |
CRE (W m2) | 19.0 | 18.8 | 20.8 | 19.3 | −2.3 | 16.2 |
ΔSnet (W m−2) | −5.3 | −12.0 | −4.7 | −9.0 | −23.1 | −8.8 |
ΔLnet (W m−2) | 24.3 | 30.7 | 25.5 | 28.3 | 20.8 | 25.0 |
ΔHS (W m−2) | −1.8 | 0.3 | −2.0 | 0.4 | 0.3 | 1.1 |
ΔHL (W m−2) | −3.4 | −8.8 | −5.0 | −6.2 | −24.1 | −13.1 |
ΔM (W m−2) | 0.0 | −2.1 | −0.5 | −0.8 | −26.3 | −6.8 |
ΔRU (mm w.e. day−1) | −0.02 | −0.91 | −0.22 | −0.42 | −7.46 | −1.82 |
ΔSUs (mm w.e. day−1) | 0.02 | 0.11 | 0.04 | 0.11 | 0.32 | 0.21 |
ΔSUds (mm w.e. day−1) | 0.01 | 0.01 | 0.02 | 0.00 | 0.00 | 0.04 |
ΔP (hPa) | −0.3 | −0.3 | −0.2 | −0.6 | −0.2 | −0.6 |
ΔT (K) | 2.4 | 1.3 | 2.4 | 0.5 | −0.2 | 0.6 |
Δq (g kg−1) | 0.1 | −0.1 | 0.0 | −0.1 | −0.9 | −0.3 |