Concepedia

Hallvard Ramfjord

HR

6

Publications

239

Citations

6

H-Index

1991

Active since

Affiliations

Swedish Museum of Natural History(Current)

Norwegian University of Science and Technology

Šiauliai University

University of Gothenburg

Finnish Meteorological Institute

Hallvard Ramfjord is an author at Swedish Museum of Natural History specializing in geography, engineering, and climate change.

Top concepts

GeographyClimatologyEngineeringEarth ScienceClimate ChangeBotanyForestryForest MeteorologyAtmospheric ScienceMeteorology

Publications per year

1991–2024

6

Publications

6

Trends of some airborne tree pollen in the Nordic countries and Austria, 1980—1993

Siegfried Jäger, Siwert Nilsson, Britt Berggren et al. · Grana · 1996 · 85 citations · Full text

Engineering, Botany, Airborne Tree Pollen +18

A satellite-based map of onset of birch (Betula) flowering in Norway

Stein Rune Karlsen, Hallvard Ramfjord, Kjell Arild Høgda et al. · Aerobiologia · 2008 · 50 citations

Botany, Forestry, Satellite-based Map +4

A statistical model for predicting the inter-annual variability of birch pollen abundance in Northern and North-Eastern Europe

Olga Ritenberga, Mikhail Sofiev, Pilvi Siljamo et al. · The Science of The Total Environment · 2017 · 41 citations · Full text

Climatology, Engineering, North-eastern Europe +7

The start dates of birch pollen seasons in Fennoscandia studied by NOAA AVHRR NDVI data

Stein Rune Karlsen, I. Solheim, Hallvard Ramfjord · 2003 · 33 citations

Engineering, Botany, Ndvi Values +17

Outdoor appearance of aeroallergens in norway

Hallvard Ramfjord · Grana · 1991 · 19 citations

Engineering, Air Quality, Phenology +21

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