First Lidar Profiling of Meteoric Ca+ Ion Transport From ∼80 to 300 km in the Midlatitude Nighttime Ionosphere

Jiao, Jing; Chu, Xinzhao; Jin, Han; Wang, Zelong; Xun, Yuchang; Du, Lifang; Zheng, Haoran; Wu, Fuju; Xu, Jiyao; Yuan, Wei; Yan, Chunxiao; Wang, Jihong; Yang, Guotao

doi:10.1029/2022gl100537

i

First Lidar Profiling of Meteoric Ca+ Ion Transport From ∼80 to 300 km in the Midlatitude Nighttime Ionosphere

Supporting Files

2022
By Jiao, Jing ; Chu, Xinzhao ; Jin, Han ; ...

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Journal Title:

Geophysical Research Letters
Personal Author:

Jiao, Jing ; Chu, Xinzhao ; Jin, Han ; Wang, Zelong ; Xun, Yuchang ; Du, Lifang ; Zheng, Haoran ; Wu, Fuju ; Xu, Jiyao ; Yuan, Wei ; Yan, Chunxiao ; Wang, Jihong ; Yang, Guotao
NOAA Program & Office:

CIRES (Cooperative Institute for Research in Environmental Sciences)
Description:

We report a world record of lidar profiling of metallic Ca+ ions up to 300 km in the midlatitude nighttime ionosphere during geomagnetic quiet time. Ca+ measurements (∼80–300 km) were made over Beijing (40.42°N, 116.02°E) with an Optical-Parametric-Oscillator-based lidar from March 2020 through June 2021. Main Ca+ layers (80–100 km) persist through all nights, and high-density sporadic Ca+ layers (∼100–120 km) frequently occur in summer. Thermosphere-ionosphere Ca+ (TICa+) layers (∼110–300 km) are likely formed via Ca+ uplifting from these sporadic layers. The lidar observations capture the complete evolution of TICa+ layers from onset to ending, revealing intriguing features. Concurrent ionosonde measurements show strong sporadic E layers developed before TICa+ and spread F onset. Neutral winds can partially account for observed vertical transport but enhanced electric fields are required to explain the results. Such lidar observations promise new insights into E- and F-region coupling and plasma inhomogeneities.
Keywords:

General Earth And Planetary Sciences Geophysics General Earth And Planetary Sciences General Earth And Planetary Sciences
Source:

Geophysical Research Letters, 49(18)
DOI:

https://doi.org/10.1029/2022gl100537
ISSN:

0094-8276 ; 1944-8007
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PDF
Publisher:

American Geophysical Union (AGU)
Document Type:

Journal Article
License:

https://creativecommons.org/licenses/by/4.0/
Rights Information:

CC BY
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Submitted
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