Assertion: global warming's consequence | /r/HasProperty | stimulated by nonthermal solar activity
Facets:
value: over the observation period
type: TEMPORAL
Source sentences:
text: So, up to now it is not clear if the ISCCP observations are really only a consequence of the increased temperature as assumed in Section 4.3.6 or at least to some degree are stimulated by nonthermal solar activity over the observation period (Ziskin & Shaviv ; Vahrenholt & Lüning ; Svensmark et al. ;