SeaWiFS Time Series

Satellite band averaged data: water-leaving radiance, surface irradiance and solar normalized water-leaving radiance. These values are given as the mean flux (not the total flux) for each band. The total and in-band averages are calculated for each satellite. The in-band is calculated by limiting the relative spectral response to within 1% of the maximum value. A separate data listing (denoted by it's hour) is presented when MOBY collects more than one file per day. Six water-leaving radiances can be calculated from different combinations of MOBY four radiance collectors. The best water-leaving radiance is Lw1, determined from the upper two arms. Lw7 is also included and is calculated from the middle and bottom arms.


During this deployment the mid-arm was severely damaged resulting in loss of LuMid. At the same time the LuTop fiber was severed. The only upwelled radiance data come from the bottom arm, LuBot, and we have no means to calculate Kl and water leaving radiance, Lw. To provide Lw for the calibration process we use the 5-year monthly mean Kl to propagate the bottom arm Lu data to the surface. This Lw is called Lw10. The 5-year monthly mean Kl3 was calculated for each MOBY hour (20, 22 and 23). Because the 23 hour files have been collected only since May 2002, not enough good Kl exist to produce a stable mean Kl for this hour. The zenith angle for 20 and 23 hour files are very similar, and we propagate the 23 hour MOBY LuBot data to the surface using the 20 hour mean Kl3.


October 2016 Reprocessing Information

In Oct 2016, a reprocessing of the MOBY data began. Three problems are being addressed: 1) the method to extrapolate Kl to the surface has been improved to include Raman scattering and chlorophyll fluorescence; 2) the arm depths used in retrievals was increased by 0.234 m; and 3) a single pixel shift in the data for the RSG collected at a bin factor of 384 for deployments MOBY203 to MOBY253. Initially only MOBY254 to current deployments were reprocessed. These deployments did not have the RSG single pixel shift problem. So for MOBY254 to current deployments only correction 1 and 2 are applied. As the older deployments are processed the data will be added to this directory. MOBY203 to MOBY253 will have had all three corrections applied.



● Lw1 is the Water-Leaving Radiance calculated from LuTop and Kl1(LuTop-LuMid)
● Lw2 is the Water-Leaving Radiance calculated from LuTop and Kl2(LuTop-LuBot)
● Lw7 is the Water-Leaving Radiance calculated from LuMid and Kl3(LuMid-LuBot)
Lw10 is the Water-Leaving Radiance calculated from LuBot and Kl3 (5-year monthly mean)

● Lw21 is the Water-Leaving Radiance calculated from LuTop and a modeled Kl
● Lw22 is the Water-Leaving Radiance calculated from LuTop and a modeled Kl
● Lw27 is the Water-Leaving Radiance calculated from LuMid and a modeled Kl

SeaWiFS bands plotted with Lw and Es
Satellite BandHourLw&EsLwn2
SeaWiFS Total-Band 20 1 1
22 1 1
23 1 1
SeaWiFS Total-Band 20 7 7
22 7 7
23 7 7
SeaWiFS Total-Band 20 2 2
22 2 2
23 2 2
SeaWiFS Total-Band 20 10 -
22 10 -
23 10 -
SeaWiFS In-Band 20 1 1
22 1 1
23 1 1
SeaWiFS In-Band 20 7 7
22 7 7
23 7 7
SeaWiFS In-Band 20 2 2
22 2 2
23 2 2
SeaWiFS In-Band 20 10 -
22 10 -
23 10 -
SeaWiFS Total-Band modeled Kl 20 21 -
22 21 -
23 21 -
SeaWiFS Total-Band modeled Kl 20 27 -
22 27 -
23 27 -
SeaWiFS Total-Band modeled Kl 20 22 -
22 22 -
23 22 -
SeaWiFS Total-Band modeled Kl 20 210 -
22 210 -
23 210 -
SeaWiFS In-Band modeled Kl 20 21 -
22 21 -
23 21 -
SeaWiFS In-Band modeled Kl 20 27 -
22 27 -
23 27 -
SeaWiFS In-Band modeled Kl 20 22 -
22 22 -
23 22 -
SeaWiFS In-Band modeled Kl 20 210 -
22 210 -
23 210 -

MOBY Auxilliary Data
MOBY HourLwAux Data
20 10 Listing
20 1 Listing
20 2 Listing
20 7 Listing
22 10 Listing
22 1 Listing
22 2 Listing
22 7 Listing
23 10 Listing
23 1 Listing
23 2 Listing
23 7 Listing

nd_seawifs_total_20_1_es.png
nd_seawifs_total_20_1_lw.png
nd_seawifs_total_20_2_es.png
nd_seawifs_total_20_2_lw.png
nd_seawifs_total_20_7_es.png
nd_seawifs_total_20_7_lw.png
nd_seawifs_total_22_1_es.png
nd_seawifs_total_22_1_lw.png
nd_seawifs_total_22_2_es.png
nd_seawifs_total_22_2_lw.png
nd_seawifs_total_22_7_es.png
nd_seawifs_total_22_7_lw.png
nd_seawifs_total_23_1_es.png
nd_seawifs_total_23_1_lw.png
nd_seawifs_total_23_2_es.png
nd_seawifs_total_23_2_lw.png
nd_seawifs_total_23_7_es.png
nd_seawifs_total_23_7_lw.png
nmkl_seawifs_total_20_10_es.png
nmkl_seawifs_total_20_10_lw.png
nmkl_seawifs_total_22_10_es.png
nmkl_seawifs_total_22_10_lw.png
nmkl_seawifs_total_23_10_es.png
nmkl_seawifs_total_23_10_lw.png

Lwn2 Time Series

nlwn2_seawifs_total_20_1_lwn2.png
nlwn2_seawifs_total_20_2_lwn2.png
nlwn2_seawifs_total_20_7_lwn2.png
nlwn2_seawifs_total_22_1_lwn2.png
nlwn2_seawifs_total_22_2_lwn2.png
nlwn2_seawifs_total_22_7_lwn2.png
nlwn2_seawifs_total_23_1_lwn2.png
nlwn2_seawifs_total_23_2_lwn2.png
nlwn2_seawifs_total_23_7_lwn2.png

Stephanie Flora - Moss Landing Marine Laboratories