Table 1 Mean values with 1-sigma variations in OFES/IME derived source rates, respectively at seven well pads.

From: Evaluating the detectability of methane point sources from satellite observing systems using microscale modeling

Pad #

OFES

IME (no noise) tracer-23/24

IME (± 1% noise) tracer-23/24

IME (± 5% noise) tracer-23/24

1-s plumes

Pad-1

276.85 ± 149.25

277.40 ± 127.57/279.81 ± 128.67

278.57 ± 128.15/280.79 ± 129.17

278.08 ± 127.88/280.23 ± 128.88

Pad-2

2.39 ± 0.34

2.43 ± 0.17/2.45 ± 0.17

2.45 ± 0.18/2.47 ± 0.18

2.45 ± 0.18/2.46 ± 0.18

Pad-3

2.59 ± 0.41

2.57 ± 0.19/2.59 ± 0.19

2.59 ± 0.19/2.61 ± 0.19

2.59 ± 0.19/2.61 ± 0.19

Pad-4

61.41 ± 122.47

61.60 ± 108.57/62.28 ± 109.78

61.93 ± 109.15/62.54 ± 110.23

61.81 ± 108.94/62.43 ± 110.03

Pad-5

0.39 ± 0.26

0.40 ± 0.13/0.40 ± 0.13

0.40 ± 0.13/0.41 ± 0.13

0.40 ± 0.13/0.41 ± 0.13

Pad-6

0.14 ± 0.18

0.15 ± 0.13/0.15 ± 0.13

0.15 ± 0.13/0.15 ± 0.13

0.15 ± 0.13/0.15 ± 0.13

Pad-7

1.51 ± 0.88

1.49 ± 0.85/1.51 ± 0.86

1.51 ± 0.86/1.52 ± 0.87

1.51 ± 0.86/1.52 ± 0.87

10-min average plumes

Pad-1

298.07 ± 121.59

316.84 ± 102.96/318.71 ± 103.56

337.56 ± 109.35/330.85 ± 107.18

346.23 ± 112.15/339.3 ± 109.91

Pad-2

2.38 ± 0.04

2.56 ± 0.13/2.55 ± 0.13

2.68 ± 0.2/2.63 ± 0.2

2.72 ± 0.2/2.67 ± 0.2

Pad-3

2.59 ± 0.05

2.64 ± 0.14/2.65 ± 0.14

2.74 ± 0.21/2.68 ± 0.21

2.8 ± 0.22/2.74 ± 0.21

Pad-4

66.95 ± 114.64

67.93 ± 108.52/69.97 ± 111.79

74.08 ± 117.48/72.57 ± 115.08

77.99 ± 123.68/76.35 ± 121.09

Pad-5

0.40 ± 0.13

0.41 ± 0.11/0.41 ± 0.11

0.43 ± 0.14/0.43 ± 0.14

0.45 ± 0.15/0.44 ± 0.14

Pad-6

0.15 ± 0.11

0.15 ± 0.11/0.15 ± 0.11

0.15 ± 0.12/0.15 ± 0.12

0.16 ± 0.12/0.15 ± 0.12

Pad-7

1.59 ± 0.82

1.46 ± 0.74/1.47 ± 0.75

1.48 ± 0.76/1.45 ± 0.74

1.52 ± 0.78/1.49 ± 0.76

  1. IME derived source rates are provided for three noise scenarios, no noise, + 1% noise and + 5% noise. The two source rates are estimated using effective wind speed from Tracers-23/24 using 1-s (top) and 10-min average plumes (bottom).