Pollen in Domestic Dwellings: Forensic Implications
Morgan, R. M., Allen, E., Balestri, F., Davies, G., King, T., Sena V. and Bull, P. A.
Outline
Role of experimental studies
Experiment 1: Pollen within a room
Morgan, R. M., Allen, E., Lightowler, Z. L., Freudiger-Bonzon, J. and Bull, P. A. 2008 A forensic geoscience framework and practice. Policing: A Journal of Policy and Practice 2: 185-195
Morgan, R. M., Allen, E., Lightowler, Z. L., Freudiger-Bonzon, J. and Bull, P. A. 2008 A forensic geoscience framework and practice. Policing: A Journal of Policy and Practice 2: 185-195
Pollen in a room – scenario 2
GrassTulip
(Tulippa)Fuchsia(Thalia)
Oak (Quercus)
Pine(Pinus)
Run one 0 0 0 0 0
Run two 0 0 0 0 0
Run three 196 0 0 0 0
Run four 504 1 0 7 0
Run five 739 0 1 1 12
Findings
Experiment 2: Pollen on ink and paper
Findings
Experiment 3: Pollen preservation in heat and fire
0
100
200
300
400
500
600
700
800
-121 -94 -70 -46 -22 2 26 50 74 98 122 146 170 194 218 242 266 290 314 338 362 386 410
Time (sec)
Tem
pera
ture
(ºC
)
Floor (0.15m)Mid-Height (1.37m)Ceiling (2.26m)
0
100
200
300
400
500
600
700
800
-121 -94 -70 -46 -22 2 26 50 74 98 122 146 170 194 218 242 266 290 314 338 362 386 410
Time (sec)
Tem
pera
ture
(ºC
)
Floor (0.15m)Mid-Height (1.37m)Ceiling (2.26m)
Putori Jr, A.D. and McElroy, J. (2000) ‘Full-Scale House Fire Experiment for InterFIRE VR’, Report of Test, Published by U.S. Department of Commerce, National Institute of Standards and Technology.
Lilium
Tulipa
Narcissus
0
100
200
300
400
500
600
5 10 15 30Exposure Time (minutes)
Tem
pera
ture
(ºC
)
Lilly
Daffodil
Tulip
0
100
200
300
400
500
600
5 10 15 30Exposure Time (minutes)
Tem
pera
ture
(ºC
)
Lilly
Daffodil
Tulip
Findings
Implications