Observation modes during MIPAS Optimized Resolution (OR) mission

ID Description
NOM

Nominal mode using floating altitudes
UTLS-1

Upper Troposphere Lower Stratosphere
UTLS-2

Upper Troposphere Lower Stratosphere (for 2-D retrievals)
MA

Middle Atmosphere
NLC

Middle/Upper Atmosphere – Noctilucent Clouds
UA

Upper Atmosphere
AE

Aircraft Emissions - sideways observation mode

 

Nominal Mode of OR mission

NOM

floating altitude grid

minimum_tangent_altitude =
= A - B * cos (90° * tangent_point_latitude)

with A=12 km and B=7 km
sampled latitude 90° 45° 0° -
Sweep Altitude Spacing
[#] [Km] [Km]
1 70 72.05 77 -
2 65.5 67.55 72.5 4.5
3 61 63.05 68 4.5
4 57 59.05 64 4
5 53 55.05 60 4
6 49 51.05 56 4
7 45 47.05 52 4
8 42 44.05 49 3
9 39 41.05 46 3
10 36 38.05 43 3
11 33 35.05 40 3
12 30 32.05 37 3
13 28 30.05 35 2
14 26 28.05 33 2
15 24 26.05 31 2
16 22 24.05 29 2
17 20 22.05 27 2
18 18.5 20.55 25.5 1.5
19 17 19.05 24 1.5
20 15.5 17.55 22.5 1.5
21 14 16.05 21 1.5
22 12.5 14.55 19.5 1.5
23 11 13.05 18 1.5
24 9.5 11.55 16.5 1.5
25 8 10.05 15 1.5
26 6.5 8.55 13.5 1.5
27 5 7.05 12 1.5

 

Upper Troposphere Lower Stratosphere Modes of MIPAS OR mission

UTLS-1
floating altitude grid

minimum_tangent_altitude =
= C + D * cos (2 * tangent_point_latitude)

with C=8.5 km and D=3 km
sampled latitude 90° 0° -
Sweep Altitude Spacing
[#] [Km] [Km]
1 49 55 -
2 44.5 50.5 4.5
3 40 46 4.5
4 35.5 41.5 4.5
5 31 37 4.5
6 28 34 3
7 25 31 3
8 23 29 2
9 21 27 2
10 19 25 2
11 17.5 23.5 1.5
12 16 22 1.5
13 14.5 20.5 1.5
14 13 19 1.5
15 11.5 17.5 1.5
16 10 16 1.5
17 8.5 14.5 1.5
18 7 13 1.5
19 5.5 11.5 1.5
UTLS-2
Sweep Altitude Spacing
[#] [Km] [Km]
1 42 -
2 37 5
3 33 4
4 29 4
5 26 3
6 23 3
7 20 3
8 18 2
9 16 2
10 14 2
11 12 2

 

Upper Atmosphere Modes of MIPAS OR mission

NLC
Sweep Altitude Spacing
[#] [Km] [Km]
1 102 -
2 99 3
3 96 3
4 93 3
5 90 3
6 87 3
7 85.5 1.5
8 84 1.5
9 82.5 1.5
10 81 1.5
11 79.5 1.5
12 78 1.5
13 75 3
14 72 3
15 69 3
16 66 3
17 63 3
18 60 3
19 57 3
20 54 3
21 51 3
22 48 3
23 45 3
24 42 3
25 39 3
MA
Sweep Altitude Spacing
[#] [Km] [Km]
1 102 -
2 99 3
3 96 3
4 93 3
5 90 3
6 87 3
7 84 3
8 81 3
9 78 3
10 75 3
11 72 3
12 69 3
13 66 3
14 63 3
15 60 3
16 57 3
17 54 3
18 51 3
19 48 3
20 45 3
21 42 3
22 39 3
23 36 3
24 33 3
25 30 3
26 27 3
27 24 3
28 21 3
29 18 3
UA
Sweep Altitude Spacing
[#] [Km] [Km]
1 172 -
2 167 5
3 162 5
4 157 5
5 152 5
6 147 5
7 142 5
8 137 5
9 132 5
10 127 5
11 122 5
12 117 5
13 112 5
14 107 5
15 102 5
16 99 3
17 96 3
18 93 3
19 90 3
20 87 3
21 84 3
22 81 3
23 78 3
24 75 3
25 72 3
26 69 3
27 66 3
28 63 3
29 60 3
30 57 3
31 54 3
32 51 3
33 48 3
34 45 3
35 42 3

 

Special Mode of OR mission

AE
Sweep Altitude Spacing
[#] [Km] [Km]
1 38 -
2 33.5 4.5
3 29 4.5
4 24.5 4.5
5 20 4.5
6 17 3
7 15 2
8 13 2
9 11.5 1.5
10 10 1.5
11 8.5 1.5
12 7 1.5