1
JGR-Atmosphere
Supporting Information for
.
Frequency and causes of failed MODIS cloud property retrievals for liquid phase
clouds over global oceans Hyoun-Myoung Cho1, Zhibo Zhang1, 2, Kerry Meyer3,4, Matthew Lebsock5, Steven
Platnick3, Andrew S. Ackerman6, Larry Di Girolamo7, Laurent C.-Labonnote8, Céline
Cornet8, Jerome Riedi8, Robert E. Holz9
1. Joint Center of Earth Systems Technology, Baltimore, Maryland, USA
2. Physics Department, University of Maryland Baltimore County, Baltimore, Maryland,
USA.
3. NASA Goddard Space Flight Center, Greenbelt, Maryland, USA
4. Goddard Earth Science Technology and Research (GESTAR), Universities Space
Research Association, Columbia, Maryland, USA
5. Jet Propulsion Laboratory, Pasadena, California, USA
6. NASA Goddard Institute for Space Studies, New York, New York, USA.
7. Department of Atmospheric Sciences, University of Illinois, Urbana, Illinois, USA
8. Laboratoire d’Optique Atmosphérique – Université des Sciences et Technologies de
Lille/CNRS,
Villeneuve d’Ascq Cedex, France
9. Cooperative Institute for Meteorological Satellite Studies, University of WisconsinMadison, Madison, Wisconsin, USA
1
Contents of this file
Table S1 Analysis of failed Aqua MODIS cloud optical thickness and effective radius
retrievals for liquid-phase cloud over land. Note the 250m inhomogeneity test is not
performed over land.
Table S2 Analysis of failed Aqua MODIS cloud optical thickness and effective radius
retrievals for ice-phase cloud over ocean
Table S3 Analysis of failed Aqua MODIS cloud optical thickness and effective radius
retrievals for ice-phase cloud over land. Note the 250m inhomogeneity test is not
performed over land.
Table S4 Analysis of failed Terra MODIS cloud optical thickness and effective radius
retrievals for liquid-phase cloud over ocean
Introduction
This documents contains supporting information about the failed retrieval analysis cloud types
other than MLP clouds, including liquid-phase clouds over land, ice-phase clouds over both
ocean and land, as well as results from Terra-MODIS.
2
Table S1 Analysis of failed Aqua MODIS cloud optical thickness and effective radius retrievals for liquid-phase cloud over
land. Note the 250m inhomogeneity test is not performed over land.
Clear Sky
Restoral flag
Liquid cloud
Land (sfc_flag:3)
2.1µm failure rate : 17.63%
3.7µm failure rate : 14.00%
PCL
Both retrieved
2.1 retrieved
3.7 failed
3.7 retrieved
2.1 failed
Both failed
Sum
0: Good pixels
4,501,597,029
(62.65%)
85.01%
118,755,240
(1.65%)
2.24%
338,681,965
(4.71%)
6.40%
336,552,430
(4.68%)
6.36%
5,295,586,664
(73.70%)
1: Cloud Edge
1,120,301,232
(15.59%)
59.30%
177,448,595
(2.47%)
9.39%
218,202,371
(3.04%)
11.55%
373,302,082
(5.20%)
19.76%
1,889,254,280
(26.30%)
Sum
5,621,898,261
(78.25%)
296,203,835
(4.12%)
556,884,336
(7.75%)
709,854,512
(9.88%)
7,184,840,944
1
Table S2 Analysis of failed Aqua MODIS cloud optical thickness and effective radius retrievals for ice-phase cloud over ocean
Clear Sky Restoral flag
Ice cloud
Ocean (sfc_flag:0)
2.1µm failure rate : 10.03%
3.7µm failure rate : 12.39%
Both retrieved
2.1 retrieved
3.7 failed
3.7 retrieved
2.1 failed
Both failed
Sum
0: Good pixels
15,987,206,211
(82.20%)
86.41%
931,632,747
(4.79%)
5.04%
547,593,642
(2.82%)
2.96%
1,034,147,521
(5.32%)
5.59%
18,500,580,121
(95.12%)
1: Cloud Edge
379,162,881
(1.95%)
43.66%
138,035,762
(0.71%)
15.89%
73,718,440
(0.38%)
8.49%
277,535,903
(1.43%)
31.96%
868,452,986
(4.47%)
43,880,419
(0.23%)
54.64%
18,859,282
(0.10%)
23.48%
7,786,131
(0.04%)
9.70%
9,782,297
(0.05%)
12.18%
80,308,129
(0.41%)
16,410,249,511
(84.37%)
1,088,527,791
(5.60%)
629,098,213
(3.23%)
1,321,465,721
(6.79%)
19,449,341,236
PCL
3: Inhomogeneous
(250m Tests)
Sum
2
Table S3 Analysis of failed Aqua MODIS cloud optical thickness and effective radius retrievals for ice-phase cloud over land.
Note the 250m inhomogeneity test is not performed over land.
Clear Sky
Restoral flag
Ice cloud
Land (sfc_flag:3)
2.1µm failure rate : 12.21%
3.7µm failure rate : 12.55%
PCL
Both retrieved
2.1 retrieved
3.7 failed
3.7 retrieved
2.1 failed
Both failed
Sum
0: Good pixels
3,531,744,132
(80.31%)
85.19%
212,033,211
(4.82%)
5.11%
178,079,932
(4.05%)
4.30%
223,996,801
(5.09%)
5.40%
4,145,854,076
(94.27%)
1: Cloud Edge
91,871,888
(2.09%)
36.47%
25,087,276
(0.57%)
9.96%
44,063,248
(1.00%)
17.49%
90,880,336
(2.07%)
36.08%
251,902,748
(5.73%)
3,623,616,020
(82.40%)
237,120,487
(5.39%)
222,143,180
(5.05%)
314,877,137
(7.16%)
4,397,756,824
Sum
3
Table S4 Analysis of failed Terra MODIS cloud optical thickness and effective radius retrievals for liquid-phase cloud over
ocean
Clear Sky Restoral flag
Liquid cloud
Ocean (sfc_flag:0, QA 0.86µm)
2.1µm failure rate : 17.11%
3.7µm failure rate : 9.22%
Both retrieved
2.1 retrieved
3.7 failed
3.7 retrieved
2.1 failed
Both failed
Sum
0: Good pixels
24,442,137,476
(68.33%)
88.04%
267,496,783
(0.75%)
0.96%
1,872,805,987
(5.24%)
6.75%
1,181,160,848
(3.30%)
4.25%
27,763,601,094
(77.61%)
1: Cloud Edge
3,669,292,720
(10.26%)
57.09%
350,685,645
(0.98%)
5.46%
1,236,567,815
(3.46%)
19.24%
1,170,861,464
(3.27%)
18.22%
6,427,407,644
(17.97%)
821,478,210
(2.30%)
51.99%
99,812,059
(0.28%)
6.32%
429,141,102
(1.20%)
27.16%
229,533,927
(0.64%)
14.53%
1,579,965,298
(4.42%)
28,932,908,406
(80.88%)
717,994,487
(2.01%)
3,538,514,904
(9.89%)
2,581,556,239
(7.22%)
35,770,974,036
PCL
3: Inhomogeneous
(250m Tests)
Sum
4