More Like this

1. Interesting Equatorial Plasma Bubbles Observed by All-Sky Imagers in the Equatorial Region of China: Interesting Equatorial Plasma Bubbles

   https://doi.org/10.1002/2017JA024561  

   Wu, Kun ; Xu, Jiyao ; Wang, Wenbin ; Sun, Longchang ; Liu, Xiao ; Yuan, Wei ( October 2017 , Journal of Geophysical Research: Space Physics)
2. On the Formation of a Subsurface Weakly Sheared Laminar Layer and an Upper Thermocline Strongly Sheared Turbulent Layer in the Eastern Equatorial Pacific: Interplays of Multiple-Time-Scale Equatorial Waves

   https://doi.org/10.1175/JPO-D-19-0245.1  

   Liu, Chuanyu ; Wang, Xiaowei ; Liu, Zhiyu ; Köhl, Armin ; Smyth, William D. ; Wang, Fan ( October 2020 , Journal of Physical Oceanography)

   null (Ed.)

   Abstract The origins of an observed weakly sheared nonturbulent (laminar) layer (WSL), and a strongly sheared turbulent layer above the Equatorial Undercurrent core (UCL) in the eastern equatorial Pacific are studied, based mainly on the data from the Tropical Atmosphere and Ocean mooring array. Multiple-time-scale (from 3 to 25 days) equatorial waves were manifested primarily as zonal velocity oscillations with the maximum amplitudes (from 10 to 30 cm s −1 ) occurring at different depths (from the surface to 85-m depths) above the seasonal thermocline. The subsurface-intensified waves led to vertically out-of-phase shear variations in the upper thermocline via destructive interference with the seasonal zonal flow, opposing the tendency for shear instability. These waves were also associated with depth-dependent, multiple-vertical-scale stratification variations, with phase lags of π /2 or π , further altering stability of the zonal current system to vertical shear. The WSL and UCL were consequently formed by coupling of multiple equatorial waves with differing phases, particularly of the previously identified equatorial mode and subsurface mode tropical instability waves (with central period of 17 and 20 days, respectively, in this study), and subsurface-intensified waves with central periods of 6, 5, and 12 days and velocity maxima at 45-, 87-, and 40-m depths, respectively. In addition, a wave-like feature with periods of 50–90 days enhanced the shear throughout the entire UCL. WSLs and UCLs seem to emerge without a preference for particular tropical instability wave phases. The generation mechanisms of the equatorial waves and their joint impacts on thermocline mixing remain to be elucidated. 

   more » « less
3. GOLD Mission's Observation About the Geomagnetic Storm Effects on the Nighttime Equatorial Ionization Anomaly (EIA) and Equatorial Plasma Bubbles (EPB) During a Solar Minimum Equinox

   https://doi.org/10.1029/2022SW003321  

   Karan, Deepak Kumar ; Eastes, Richard W. ; Daniell, Robert E. ; Martinis, Carlos R. ; McClintock, William E. ( March 2023 , Space Weather)
4. Contribution of storm time substorms to the prompt electric field disturbances in the equatorial ionosphere: Substorm and Equatorial Electric Field

   https://doi.org/10.1002/2016JA023754  

   Hui, Debrup ; Chakrabarty, D. ; Sekar, R. ; Reeves, G. D. ; Yoshikawa, A. ; Shiokawa, K. ( May 2017 , Journal of Geophysical Research: Space Physics)
5. An idealized study of near equatorial river plumes: DYNAMICS OF NEAR EQUATORIAL RIVER PLUMES

   https://doi.org/10.1002/2016JC012554  

   Palma, Elbio D. ; Matano, Ricardo P. ( May 2017 , Journal of Geophysical Research: Oceans)