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		<doi>10.5194/acp-24-4487-2024</doi>
		<issn>1680-7316</issn>
		<issn>1680-7324</issn>
		<citationkey>GuptaWanGiaBisJen:2024:InCeTr</citationkey>
		<title>Lifecycle of updrafts and mass flux in isolated deep convection over the Amazon rainforest: insights from cell tracking</title>
		<year>2024</year>
		<month>Apr.</month>
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		<author>Gupta, Siddhant,</author>
		<author>Wang, Die,</author>
		<author>Giangrande, Scott E.,</author>
		<author>Biscaro, Thiago Souza,</author>
		<author>Jensen, Michael P.,</author>
		<group></group>
		<group></group>
		<group></group>
		<group>DISSM-CGCT-INPE-MCTI-GOV-BR</group>
		<affiliation>Brookhaven National Laboratory</affiliation>
		<affiliation>Brookhaven National Laboratory</affiliation>
		<affiliation>Brookhaven National Laboratory</affiliation>
		<affiliation>Instituto Nacional de Pesquisas Espaciais (INPE)</affiliation>
		<affiliation>Brookhaven National Laboratory</affiliation>
		<electronicmailaddress></electronicmailaddress>
		<electronicmailaddress></electronicmailaddress>
		<electronicmailaddress></electronicmailaddress>
		<electronicmailaddress>thiago.biscaro@inpe.br</electronicmailaddress>
		<journal>Atmospheric Chemistry and Physics</journal>
		<volume>24</volume>
		<number>7</number>
		<pages>4487-4510</pages>
		<secondarymark>A1_MEDICINA_II A1_INTERDISCIPLINAR A1_GEOCIÊNCIAS A1_ENGENHARIAS_III A1_ENGENHARIAS_I A1_CIÊNCIAS_AMBIENTAIS A1_CIÊNCIAS_AGRÁRIAS_I A2_MATEMÁTICA_/_PROBABILIDADE_E_ESTATÍSTICA A2_ENGENHARIAS_II A2_ASTRONOMIA_/_FÍSICA</secondarymark>
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		<abstract>Long-term observations of deep convective cloud (DCC) vertical velocity and mass flux were collected during the Observations and Modelling of the Green Ocean Amazon (GoAmazon2014/5) experiment. Precipitation echoes from a surveillance weather radar near Manaus, Brazil, are tracked to identify and evaluate the isolated DCC lifecycle evolution during the dry and wet seasons. A radar wind profiler (RWP) provides precipitation and air motion profiles to estimate the vertical velocity, mass flux, and mass transport rates within overpassing DCC cores as a function of the tracked cell lifecycle stage. The average radar reflectivity factor ( Z ), DCC area ( A ), and surface rainfall rate ( R ) increased with DCC lifetime as convective cells were developing, reached a peak as the cells matured, and decreased thereafter as cells dissipated.As the convective cells mature, cumulative DCC properties exhibit stronger updraft behaviors with higher upward mass flux and transport rates above the melting layer (compared with initial and later lifecycle stages). In comparison, developing DCCs have the lowest Z associated with weak updrafts, as well as negative mass flux and transport rates above the melting layer. Over the DCC lifetime, the height of the maximum downward mass flux decreased, whereas the height of the maximum net mass flux increased. During the dry season, the tracked DCCs had higher Z , propagation speed, and DCC area, and were more isolated spatially compared with the wet season. Dry season DCCs exhibit higher Z , mass flux, and mass transport rate while developing, whereas wet season DCCs exhibit higher Z , mass flux, and mass transport rates at later stages.</abstract>
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		<language>en</language>
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