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Airborne fallout mapping of {sup 137}Cs - STUK/HUT team

Abstract

The task of the team was to create a fallout map of {sup 137}Cs on a specified area in Padasjoki Auttoinen village. The team used AB-420 helicopter of the Finnish Frontier Guard. The team had two measuring systems: HPGe system (relative efficiency 18%) and NaI system (5`x5`). Both systems produced similar maps. The average {sup 137}Cs fallout within the area (lakes and ponds included) was 88 kBq m{sup -2,} the maximum value being 161 kBq m{sup -2}. In an emergency the HPGe is superior to NaI because of its better energy resolution, giving possibility to obtain nuclide-specific results. (au).
Authors:
Nikkinen, M; Aarnio, P; [1]  Honkamaa, T; Tiilikainen, H [2] 
  1. Helsinki Univ. of Technology, Espoo (Finland)
  2. Finnish Centre for Radiation and Nuclear Safety, Helsinki (Finland)
Publication Date:
Dec 31, 1997
Product Type:
Technical Report
Report Number:
NEI-DK-3090
Reference Number:
SCA: 540230; PA: AIX-29:015520; EDB-98:062396; SN: 98001946359
Resource Relation:
Other Information: PBD: 1997; Related Information: Is Part Of RESUME 95. Rapid environmental surveying using mobile equipment; PB: 440 p.
Subject:
54 ENVIRONMENTAL SCIENCES; FALLOUT; AERIAL MONITORING; CESIUM 137; COMPARATIVE EVALUATIONS; FINLAND; GAMMA SPECTROMETERS; MAPPING
OSTI ID:
606700
Research Organizations:
Nordisk Kernesikkerhedsforskning, Roskilde (Denmark).
Country of Origin:
Denmark
Language:
English
Other Identifying Numbers:
Other: ON: DE98616927; CNN: Contract NKS-EKO-3; ISBN 87-7893-014-6; TRN: DK9800034015520
Availability:
INIS; OSTI as DE98616927
Submitting Site:
DKN
Size:
pp. 127-132
Announcement Date:
Jun 17, 1998

Citation Formats

Nikkinen, M, Aarnio, P, Honkamaa, T, and Tiilikainen, H. Airborne fallout mapping of {sup 137}Cs - STUK/HUT team. Denmark: N. p., 1997. Web.
Nikkinen, M, Aarnio, P, Honkamaa, T, & Tiilikainen, H. Airborne fallout mapping of {sup 137}Cs - STUK/HUT team. Denmark.
Nikkinen, M, Aarnio, P, Honkamaa, T, and Tiilikainen, H. 1997. "Airborne fallout mapping of {sup 137}Cs - STUK/HUT team." Denmark.
@misc{etde_606700,
title = {Airborne fallout mapping of {sup 137}Cs - STUK/HUT team}
author = {Nikkinen, M, Aarnio, P, Honkamaa, T, and Tiilikainen, H}
abstractNote = {The task of the team was to create a fallout map of {sup 137}Cs on a specified area in Padasjoki Auttoinen village. The team used AB-420 helicopter of the Finnish Frontier Guard. The team had two measuring systems: HPGe system (relative efficiency 18%) and NaI system (5`x5`). Both systems produced similar maps. The average {sup 137}Cs fallout within the area (lakes and ponds included) was 88 kBq m{sup -2,} the maximum value being 161 kBq m{sup -2}. In an emergency the HPGe is superior to NaI because of its better energy resolution, giving possibility to obtain nuclide-specific results. (au).}
place = {Denmark}
year = {1997}
month = {Dec}
}