Filter Sampling

A high volume aerosol sampler for chemical analyses.

Citation proposal
(2011) . Filter Sampling. https://geoportal.mountaingenius.org/geonetwork/srv/api/records/b16959d9-e686-4a60-bb68-97667ab5f304

Simple

Alternate title: Aerosol chemistry

Date ( Publication ): 2011-04-01T19:01:00

Purpose: High Volume Sampler for aerosol chemical composition (PM10 mass, inorganic, organic, metals and dust).

Status: Completed

Point of contact

Ev-K2-CNR - ( )

Via San Bernardino 145 Bergamo BG 24126 Italy

+39 035 3230511

+39 035 3230551

Website: http://www.evk2cnr.org/

Point of contact

Institute of Atmospheric Sciences and Climate (ISAC) - CNR - Paolo Bonasoni ( )

Via Gobetti 101 Bologna BO 40129 Italy

+39 051 639 9590

+39 051 639 9652

Principal investigator

Institute of Atmospheric Sciences and Climate (ISAC) - CNR - Maria Cristina Facchin ( )

Via Gobetti 101 Bologna 40129 Italy

+39 051 6399563

Maintenance and update frequency: As needed

Keywords

SHARE , Network , Station , High Altitude

Keywords

GAWSIS , GAW , WMO

Keywords

CEOP

Keywords ( Place )

Nepal , Himalaya

Keywords ( Theme )

aerosol

Keywords ( Theme )

air , research , pollution , ecosystems , landscape , natural areas , climate

Use limitation: No conditions apply

Access constraints: Copyright

Other constraints

Character set: UTF8

Topic category

Climatology, meteorology, atmosphere
Environment
Geoscientific information

Supplemental Information

Reference system identifier: EPSG / WGS 84 (EPSG:4326) / 7.4

Topology level: Geometry only

Geometric object type: Point

Geometric object count: 1

OnLine resource: SHARE Geonetwork portal
SHARE Geonetwork portal

OnLine resource: ISAC EVK2-Nepal Climate Observatory - Pyramid website
ISAC EVK2-Nepal Climate Observatory - Pyramid website

OnLine resource: GAWSIS (Global Atmosphere Watch Station Information System) report about Nepal Climate Observatory - Pyramid
GAWSIS (Global Atmosphere Watch Station Information System) report about Nepal Climate Observatory - Pyramid

OnLine resource: Official website of CEOP-HE (Coordinated Energy and water cycle Observation Project - High Elevation)
Official website of CEOP-HE (Coordinated Energy and water cycle Observation Project - High Elevation)

Hierarchy level: Series

Other: data: Aerosol chemistry

Statement: PM10 samples have been collected since February 2006 using a home made high-volume (Hi-Vol) system running at 30m3 h-1 behind a DIGITEL PM10 pre-separator DPM10/30/00. Substrates are quartz-fiber filters (PALL, 15 cm Ø) prefired at 800 °C°C for 1 h. PM1 samples were collected using a low-volume system. The 1 µ m cut-off was provided by a Digitel DPM10/01/01/0 head at a flow rate of 1m3 h-1 kept constant by a vacuum pump behind a critical orifice. Substrates were pre-fired 47mm quartz-fiber-filters (Whatman). We discuss here the results from the 43 samples collected in the first year of measurements, from February 2007 to February 2008. Daytime PM1 samples were collected from 13:00 to 18:00 (local time) over three contiguous days, while night-time samples were collected from 22:00 to 06:00 over nine consecutive nights. The long sampling time is necessary given the low sampling flow and the low concentrations typically found during the night.