| dc.creator | Mitnik,Maia L. | |
| dc.creator | Mitnik,Leonid M. | |
| dc.date | 2004-01-01 | |
| dc.date.accessioned | 2019-04-24T21:23:32Z | |
| dc.date.available | 2019-04-24T21:23:32Z | |
| dc.identifier | https://scielo.conicyt.cl/scielo.php?script=sci_arttext&pid=S0717-65382004000300015 | |
| dc.identifier.uri | http://revistaschilenas.uchile.cl/handle/2250/56785 | |
| dc.description | A direct radiative transfer model, 478 radiosondes complimented by the cloud liquid water content profiles and the underlying surface temperatures and emissivities were used to simulate the brightness temperatures T Bs over the Marginal Ice Zone at ADEOS-II AMSR and Aqua AMSR-E frequencies. The precipitable water V varied from 0.63 to 18.5kg/m², the total cloud liquid water content Q<=0.25kg/m² and SST£1°C. The mean experimental values of emissivity and its fluctuations for several types of the first-year ice at ice temperature of 263 to 271K were used in a model. The sea surface emissivity was computed taking into account wind action. 10 values of ice concentration C uniformly distributed from 0.0 to 1.0 were selected for each radiosonde. The radiometer noises of 0.5K were added to the modeled T Bs. Standard regression techniques were applied to retrieve V, Q and C from the simulated T Bs with vertical and horizontal polarization at 18.7, 23.8 and 36.5GHz. The retrieval errors increase from »0.5 to »1.7kg/m² for V and from »0.02 to »0.06 kg/m² for Q with the increase of C from 0.0-0.3 to 0.7-1.0. The algorithms were used to retrieve V, Q and C in the Okhotsk Sea from the T Bs measured by AMSR-E | |
| dc.format | text/html | |
| dc.language | en | |
| dc.publisher | Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción | |
| dc.relation | 10.4067/S0717-65382004000300015 | |
| dc.rights | info:eu-repo/semantics/openAccess | |
| dc.source | Gayana (Concepción) v.68 n.2 suppl.TIIProc 2004 | |
| dc.title | ATMOSPHERIC PARAMETERS OVER THE MARGINAL ICE ZONE RETREIVAL FROM ANSR/AMSR-E DATA | |
