Sentences with phrase «on stationarity»
On the stationarity of annual flood peaks in the continental United States during the 20th century
https://nca2014.globalchange.gov/ Not exact matches
Now, your claim about stationarity of the «climate» in the Lorenz system is not without a merit but hinges on the selection of the time scale.
This analysis was made on the basis of tests of stationarity and a VAR model.
«The equations (1), (2) and (3) represent the stationarity requirement that particles located in certain volume with certain velocities will at a later moment be replaced by an equal number of other particles which have the same velocities when the influence of gravity on velocity is taken into account.
The strength of the IR component is determined by laws of emission and absorption of radiation and depend strongly on the temperatures at various levels, but the total flux is maintained at the level required by stationarity by the convection and transport of latent energy as long as the radiation alone is not sufficient.
«Consistent with previous analyses (see e.g. Montanari, 2012; Zanchettini et al., 2008),» they write, «our trend detection analysis, which we carried out on long historical series observed for the Po river, does not detect any evidence of a statistically significant change in the flood hazard along the Po river and supports the stationarity of the hydrological series during the period of interest (i.e., last five decades).»
However «compelling» a particular dendro study might be (whatever «compelling» might mean), what bearing does that have on the assumption of stationarity across both the instrumental and pre-instrumental periods?
All of the inferences (i.e. conclusions based on statistical testing) on where (or whether) these breaks exist, and on what the «drift» /» trend» looks like, that assume trend - stationarity, are invalid in the presence of a unit root.