Identification

Title

Hemispheric comparison of cirrus cloud evolution using in situ measurements in HIAPER Pole-to-Pole Observations

Abstract

Cirrus clouds' radiative forcing is highly sensitive to their microphysical properties and evolution. However, there are very limited data sets with both microscale resolution and global coverage to provide a hemispheric comparison of cirrus cloud microphysical properties and their evolution. Here we use in situ aircraft observations on the ~200 m scale from 87°N to 67°S over North America and the central Pacific Ocean to analyze the hemispheric differences in the evolution of cirrus clouds' horizontal segments--ice supersaturated regions (ISSRs) and ice crystal regions (ICRs). In contrast to previous in situ observations, we show that the clear-sky ice supersaturation frequency, resulting microphysical parameters (ice crystal size and concentration), and relative timescale of the life cycle of ISSRs and ICRs are similar between the Northern and Southern Hemispheres. More studies on hemispheric ice nuclei distributions and dynamical conditions are needed to help explain these observations.

Resource type

document

Resource locator

Unique resource identifier

code

http://n2t.net/ark:/85065/d7d22026

codeSpace

Dataset language

eng

Spatial reference system

code identifying the spatial reference system

Classification of spatial data and services

Topic category

geoscientificInformation

Keywords

Keyword set

keyword value

Text

originating controlled vocabulary

title

Resource Type

reference date

date type

publication

effective date

2016-01-01T00:00:00Z

Geographic location

West bounding longitude

East bounding longitude

North bounding latitude

South bounding latitude

Temporal reference

Temporal extent

Begin position

End position

Dataset reference date

date type

publication

effective date

2014-06-16T00:00:00Z

Frequency of update

Quality and validity

Lineage

Conformity

Data format

name of format

version of format

Constraints related to access and use

Constraint set

Use constraints

Limitations on public access

None

Responsible organisations

Responsible party

contact position

OpenSky Support

organisation name

UCAR/NCAR - Library

full postal address

PO Box 3000

Boulder

80307-3000

email address

opensky@ucar.edu

web address

http://opensky.ucar.edu/

name: homepage

responsible party role

pointOfContact

Metadata on metadata

Metadata point of contact