Publications - Rewi Newnham
2018
Walker, M.J.C, Head, M., Berkelhammer, M., Björck, S., Cheng, H., Cwynar, L.C., Fisher, D., Gkinis, V., Long, A., Lowe, J.J., Newnham, R.M., Rasmussen, S.O., Weiss, H. (2018). Formal ratification of the subdivision of the Holocene Series/Epoch (Quaternary System/Period): two new Global Boundary Stratotype Sections and Points (GSSPs) and three new Stages/Subseries. Episodes 41.4, 1-11.
van den Bos, V., Rees, A.B.H., Newnham, R.M., Vandergoes, M.J., Wilmshurst, J.M., Augustinus, P.C., (2018). Holocene temperature, humidity and seasonality in northern New Zealand linked to Southern Hemisphere summer insolation. Quaternary Science Reviews 201, 77-88.
Newnham, R.M., Lowe, D.J., Gehrels, M.J., Augustinus, P.C. (2018). Two-step human-environmental impact history for northern New Zealand linked to late Holocene climate change. The Holocene 28, 1093-1106
Devadas, R., Huete, A.R., Vicendese, D., Erbas, B., Medek, D., Haberle, S.G., Newnham, R.M., et al (2018). Dynamic ecological observations from satellites inform aerobiology of allergenic grass pollen. Science of the Total Environment 633, 441-451.
2017
Newnham, R.M., Holt, K.A., Alloway, B.V., Butler, K., Rees, A.B.H., Wilmshurst, J.M., Dunbar, G., Hajdas, I., (2017). Last Glacial pollen-climate reconstructions from Northland, New Zealand. Journal of Quaternary Science 32 (6), 685-703.
Jara, I.A., Newnham, R.M., Alloway, B.V., Wilmshurst, J.M., Rees, A.B.H., 2017. Pollen-based temperature and precipitation records of the past 14,600 years in northern New Zealand (37°S) and their linkages with low- and high-latitude atmospheric circulation. The Holocene 27: 1756-1768
Sánchez Goñi, M.F., and ACER Project Members: including R.M Newnham. The ACER pollen and charcoal database: a global resource to document vegetation and fire response to abrupt climate changes during the last glacial period. Earth System Scientific Data 9, 679–695. DOI:10.5194/essd-2017-4.
Newnham, R.M., 2017. High allergenic tree pollen levels in Southern New Zealand. Biomedical Journal of Scientific and Technical Research DOI: 10.26717/BJSTR.2017.01.000376
Lorrey, A.M., and Newnham, R.M., (2017). Late Quaternary records and chronology of environmental change in the Southern Hemisphere – a contribution to SHAPE. Journal of Quaternary Science. 32(6) 661–664. DOI: 10.1002/jqs.2987.
Newnham, R.M., Alloway, B.V., McGlone, M.S., Juchnowicz, H., Rees, A.B.H., Wilmshurst, J.M., (2017) A Last Interglacial pollen-temperature reconstruction, central North Island, New Zealand. Quaternary Science Reviews 170: 136–151.
Wood, J., Wilmshurst, J.M., Newnham, R.M., and McGlone, M.S. (2017). Evolution and Ecological Change During the New Zealand Quaternary. In J. Shulmeister (ed.), Landscape and Quaternary Environmental Change in New Zealand, Atlantis Advances in Quaternary Science 3, DOI 10.2991/978-94-6239-237-3_7
Khwarahm, N., Dash, J. Skjøth, C., Newnham, R.M., Adams-Groom, B. Head, K., Atkinson, P. (2017). Mapping the birch and grass pollen seasons in the UK using satellite sensor time-series. Science of the Total Environment, 578, 586-600.
2016
Zink, K-G., Vandergoes, M.J., Bauersachs T., Newnham, R.M., Schwark, L. (2016). A refined paleotemperature calibration for New Zealand limnic environments using differentiation of branched glycerol dialkyl glycerol tetraether (brGDGT) sources. Journal of Quaternary Science 31, 823-835
Haenfling, C., Newnham, R.M., Rees, A.B.H., Jara, I.A., Homes, A., Clarkson, B. (2016). Holocene history of a raised bog, northern New Zealand, based on plant cuticles. The Holocene, 27: 309-414.
Ryan, M.T., Newnham, R.M., Dunbar, G.B., Vandergoes, M.J., Neil, H., Callard, S.L., Rees, A.B.H., Alloway, B.V., Bostock, H., Hua, Q., Anderson, B.M. (2016). Constraining the source-to-sink residence time of terrestrial pollen deposited offshore. Reviews of Paleobotany and Palynology 230, 37-46
Trodahl, M., Rees, A.B.H, Newnham, R.M., Vandergoes, M.J., 2016. Late Holocene geomorphic history of Lake Wairarapa, North Island, New Zealand. New Zealand Journal of Geology & Geophysics 59: 330-340.
2015
Jara, I.A., Newnham, R.M., Vandergoes, M., Foster, C., Lowe, D., Wilmshurst, J.M., Moreno, P.I., & Renwick, J.A., Holmes A. (2015). Pollen-climate reconstruction from northern South Island, New Zealand’s (41°S) reveals varying tropical and extra-tropical influences over the last 16,000 years. Journal of Quaternary Science 30, 817-829.
Amesbury, M., Charman, D.J., Newnham, R.M., Loader, N.J., Goodrich, J.P, Royles, J., Campbell, D.I., ..., & Gallego-Sala, A.V. (2015). Can oxygen stable isotopes be used to track precipitation moisture source in vascular plant dominated peatlands? Earth and Planetary Science Letters 430, 149-159.
Medek, D., Beggs, P.J., Erbas, B., Jaggard, A.K., Campbell, B.C., Vicendese, D., Johnston, F.H., ..., & Davies, J.M (including Newnham, R.M.) (2015). Regional and seasonal variation in airborne grass pollen levels between cities of Australia and New Zealand. Aerobiologia 31. DOI 10.1007/s10453-015-9399-x
Bostock, H., Lowe, D.J., Gillespie, R., Priestley, R., & Newnham, R.M. (2015). The advent of the Anthropocene in Australasia. Quaternary Australasia 32, 7-16.
Davies, J., Beggs, P.J., Medek, D., Newnham, R.M., Erbas, B., Thibaudon, M., Katelaris, C.H., ..., Huete, A.R. (2015). Trans-disciplinary synthesis of the impact of pollen aerobiology on health in Australasia. Science of the Total Environment, 534, 85-96. doi: 10.1016/j.scitotenv.2015.04.001
Barrell D.J.A., Newnham, R.M. (2015). Feeling the Cold. In. I. Graham, (Ed.) A Continent on the Move. New Zealand Geoscience Revealed. 2nd Edtn. Geological Society of New Zealand and GNS Science, 408 pp.
Amesbury, M., Charman, D.J., Newnham, R.M., Loader, N.J., Goodrich, J.P., Royles, J., Campbell, D.I., Roland, T.P., & Gallego-Sala, A.V. (2015). Carbon stable isotopes as a palaeoclimate proxy in vascular plant dominated peatlands. Geochimica et Cosmochimica Acta, 164, pp 161-174.
Beggs, P.J., Katelaris, C.H., Medek, D., Johnston, F.H., Burton, P.K., Campbell, B., Jaggard, A.K., ..., & Davies, J.M. (including Newnham, R.M.) (2015). Differences in grass pollen allergen exposure across Australia. Australian and New Zealand Journal of Public Health, 39(1), pp 51-55.
2014 - 2013
Khwarahm, N., Dash, J., Atkinson, P.M., Newnham, R.M., Adams-Groom, B., Skjoth, C.A., Caulton, E., & Head, K.(2014). Exploring the spatio-temporal relationship between two key aeroallergens and meteorological variables in the United Kingdom. International Journal of Biometeorology, 58(4), pp 529-545.
Callard, S.L., Newnham, R.M., Vandergoes, M.J., Marra, M., Alloway, B., & Smith, C. (2013). The vegetation and climate during the Last Glacial Cold Period, northern South Island, New Zealand. Quaternary Science Reviews, 74, pp 230-244.
Vandergoes, M.J., Newnham, R.M., Denton, G.H., Blaauw, & M., Barrell, D.J.A. (2013). The anatomy of Last Glacial Maximum climate variations in south Westland, New Zealand, derived from pollen records. Quaternary Science Reviews, 74, pp 215-229.
Newnham, R.M., McGlone, M.S., Moar, N.T., Wilmshurst, J.M., & Vandergoes, M.J. (2013). The vegetation cover of New Zealand at the Last Glacial Maximum. Quaternary Science Reviews, 74, pp 202-214.
Vandergoes, M.J., Hogg, A.G., Lowe, D.J., Newnham, R.M., Denton, G.H., Southon, J., Barrel, D.J.A., Wilson, C.J.N., …, & Blaauw, M. (2013). A revised age for the Kawakawa/Oruanui tephra, a key marker for the Last Glacial Maximum in New Zealand. Quaternary Science Reviews, 74, pp 195-201.
Lowe, D.J., Blaauw, M., Hogg, A.G., & Newnham, R.M. (2013). Ages of 24 widespread tephras erupted since 30,000 years ago in New Zealand, with re-evaluation of the timing and palaeoclimatic implications of the Lateglacial cool episode recorded at Kaipo bog. Quaternary Science Reviews, 74, pp 170-194.
Barrell, D..J.A., Almond, P.C., Vandergoes, M.J., Lowe, D.J., Newnham, R.M., & INTIMATE members (2013). A composite pollen-based stratotype for inter-regional evaluation of climatic events in New Zealand over the past 30,000 years (NZ-INTIMATE project). Quaternary Science Reviews, 74, pp 4-20.
Newnham, R.M., Sparks, T.H., Skjøth, C.A., Head, K., Adams-Groom, B., & Smith, M. (2013). Pollen season and climate: Is the timing of birch pollen release in the UK approaching its limit? International Journal of Biometeorology, 57(3), pp 391-400.
2012 - 2009
Newnham, R.M., Sparks, T.H., Skjøth, C.A., Head, K., Adams-Groom, B., & Smith, M. (2012). Polen season and climate: Is the timing of birch pollen release in the UK approaching its limit? International Journal of Biometeorology.
Walker, M.J.C, Björck, S., Cwynar, L.C., Fisher, D., Long, A., Lowe, J.J., Newnham, R.M., Rasmussen, S.O. (2012). Formal subdivision of the Holocene Series/Epoch: A Discussion Paper by a Working Group of INTIMATE (Integration of ice-core, marine and terrestrial records) and the Subcommission on Quaternary Stratigraphy (International Commission on Stratigraphy). Journal of Quaternary Science.
Ryan, M.T, Dunbar, G.B., Vandergoes, M.J, Neil, H.L., Hannah, M.J., Newnham, R.M., Bostock, H., & Alloway, B.V. (2012). Vegetation and climate in Southern Hemisphere mid-latitudes since 210 ka: new insights from marine and terrestrial pollen records from New Zealand. Quaternary Science Reviews, 48, pp 80-98.
Newnham, R.M., Vandergoes, M., Sikes, E., Carter, L., Wilmshurst, J., Lowe, D., McGlone, M., Sandiford, A. (2012). Does the bipolar seesaw extend to the terrestrial southern mid-latitudes? Quaternary Science Reviews, 36, pp 214-222.
Lorrey, A., Vandergoes, M., Almond, P., Renwick, J., Stephens, T., Bostock, H., Mackintosh, A., Newnham, R.M.., …, & Fowler, A. (2012). Palaeocirculation across New Zealand during the last glacial maximum at 21 ka. Quaternary Science Reviews, 36, pp 1898-213.
McGlone, M.S., Newnham, R.M., & Moar, N.T. (2011). The vegetation cover of New Zealand during the Last Glacial Maximum: do pollen records under-represent woody vegetation. In S.G. Haberle, J. Stevenson & M. Prebble (Eds.), Altered ecologies: fire, climate and human influence on terrestrial landscapes .Terra Australis 32, 49 - 68. Camberra: The Australian National University.
Kelly, A., Charman D.J. & Newnham, R.M. (2010). Reply to Comment: A Last Glacial Maximum pollen record from Bodmin Moor, Southwest England. Journal of Quaternary Science, 25(5), 828-829
Newnham, R.M., Dirks K.N. & Samaranayake, D. (2010). An investigation into long-distance health impacts of the 1996 eruption of Mt Ruapehu, New Zealand. Atmospheric Environment, 44, pp 1568-1578.
Kelly, A., Charman D.J., & Newnham, R.M. (2010). A Last Glacial Maximum pollen record from Bodmin Moor, Southwest England. Journal of Quaternary Science 25, pp 296-308
Lowe, D.j., Wilson, C.J.N., Newnham, R.M., & Hogg, A.G. (2010). Dating the Kawakawa/Oruanui eruption: comment on “optical luminescence dating of a loess section containing a critical tephra marker horizon, SW North Island of New Zealand” by R. Grapes et al. Quaternary Geochronology, 5(4), pp 493-496.
Walker, M., Johnsen, S., Rasmussen, S., Steffensen, J-P., Popp, T., Gibbard, P., ..., Schwander, J. (2009) . Formal definition and dating of the GSSP (Global Stratotype Section and Point) for the base of the Holocene using the Greenland NGRIP ice core, and selected auxiliary records. Journal of Quaternary Science 24, pp 3-17.
2008
Walker, M., Johnsen, S., Rasmussen, S., Steffensen, J-P., Popp, T., Gibbard, P., ..., & J. Schwander (2008). Definition of the Global Stratotype Section and Point (GSSP) and Global Standard Stratigraphic Age (GSSA) for the base of the Holocene Series/Epoch (Quaternary System/Period). Episodes, 31, pp 264-267.
Power, M.J. &83 co-authors (incl Newnham, R.M.) (2008). Changes in fire activity since the Last Glacial Maximum: an assessment based on a global synthesis and analysis of charcoal data. Climate Dynamics, 30(7-8), pp 887-907.
Gehrels, W.R., Hayward, B.W., Newnham, R.M., & Southall, K.E. (2008). A 20th century acceleration of sea-level rise in New Zealand. Geophysical Research Letters, 35, L02717.
Lowe, D.J., Shane, P.A.R., Newnham, R.M. & Alloway, B.V. (2008). Fingerprints and age models for widespread New Zealand tephra marker beds erupted since 30,000 years ago: a framework for NZ-INTIMATE. Quaternary Science Reviews, 27(1-2), pp 95-126.
Gehrels, M.J., Newnham, R.M., Lowe, D.J., Wynne, S., Hazell, Z.J., & Caseldine, C. (2008). Towards rapid assay of cryptotephra in peat cores: review and evaluation of various methods.Quaternary International, 178(1), pp 68-84
Vandergoes, M.J., Dieffenbacher-Krall, A.C., Newnham, R.M., Denton, G.H., & Blaauw, M. (2008). Cooling and changing seasonality in the Southern Alps, New Zealand during the Antarctic Cold Reversal. Quaternary Science Reviews, 27(5-6), pp 589-601
2007
Newnham, R.M., Lowe, D.J., Giles, T.M., & Alloway, B.V. (2007). Vegetation and climate of Auckland, New Zealand, since ca 32 000 cal. yr ago: support for an extended LGM. Journal of Quaternary Science, 22(5), pp 517-534.
Wilmshurst, J.M., McGlone, M.S., Leathwick J.R., & Newnham, R.M.. (2007). A pre-deforestation pollen-climate calibration model for New Zealand and quantitative temperature reconstructions for the past 18 000 years BP. Journal of Quaternary Science, 22(5), pp 535-547.
Newnham, R.M., Vandergoes, M.J., Garnett, M., Lowe, D.J., Prior C., & Almond, P.C. (2007). Test of AMS 14C dating of pollen concentrates using tephrochronology. Journal of Quaternary Science, 22(1), pp 37-51.
Newnham, R.M., Vandergoes, M.J., Lowe, D.J., Preusser, F., & Hendy, C.H. (2007). A terrestrial palynological record for the last two glacial-interglacial cycles from southwestern New Zealand. Quaternary Science Reviews, 26(3-4), pp 517-535.
Alloway, B.V., Shulmeister, J., Newnham, R.M., Barrell, D.J.A., Lowe, D.J., Almond, P., ..., & NZ-INTIMATE Members (2007). Towards a climate event stratigraphy for New Zealand over the past 30,000 years. Journal of Quaternary Science, 22(1), pp 9-35.
2006
Shulmeister, J., Turney, C.S.M., Fink, D., Newnham, R.M., Alloway, B.V. (2006). Developing an Event Stratigraphy for Australasian Climate Change.Eos, 87(29), pp 283.
Marra, M.J., Alloway, B.V. & Newnham, R.M. (2006). Paleoenvironmental reconstruction of a well-preserved Stage 7 forest sequence catastrophically buried by basaltic eruptive deposits, Northern New Zealand. Quaternary Science Reviews, 25(17-18), pp 2143-2161.
Hajdas, I., Lowe, D.J., Newnham, R.M. and Bonani, G. (2006). Timing of the late-glacial climate reversal in the Southern Hemisphere: ahigh-precision radiocarbon chronology for Kaipo bog, New Zealand. Quaternary Research, 65, pp 340-345.
Gehrels, M.J., Hazell, Z.J., Lowe, D.J. & Newnham, R.M. (2006). A continuous 5000-year holocene crypto-tephrostratigraphic record fron northern New Zealand and implications for tephrochronology and volcanic hazard assessment.The Holocene, 16(2), pp 173-187.
2005
Gehrels, W.R., Kirby, J.R., Prokoph, A., Newnham, R.M., Achterberg, E.P., Evans, H., Black, S. Scott, D.B. (2005). Onset of recent rapid sea-level rise in the western Atlantic Ocean. Quaternary Science Reviews, 24(18-19), pp 2083-2100
Vandergoes, M., Newnham, R.M. (corresponding author), Hendy, C., Lowell, T., Preusser, F., Sean Fitzsimons, ..., & Schlüchter, C. (2005). Southern Ocean terrestrial record of locally modified interglacial-glacial climate signals. Nature 436 (July), pp 242-245
Barrell, D., Alloway, B.V., Shulmeister, J., & Newnham, R.M., (Ed.) (2005). Towards a climate event stratigraphy for the last 30,000 years in New Zealand (Science report 2005/07). Lower Hutt, New Zealand:Institute of Geological and Nuclear Sciences (p. 12 and poster).
Byrami, M., Newnham, R.M., Alloway, B. V., Pillans, B., Ogden, J., Westgate, J., &Mildenhall., D.C. (2005). Long early-mid Pleistocene pollen record from Auckland New Zealand. In M. J. Head & P.L. Gibbard (Eds), Early- Middle Pleistocene transitions: the land-ocean evidence. Geological Society (London), Special Publication 247, pp 183-208.
2004
Newnham, R.M.. & Alloway, B.V. (2004). A terrestrial record of Interglacial climate preserved by voluminous debris avalanche inundation in Taranaki, Western North Island, New Zealand. Journal of Quaternary Science, 19(3), 299-314.
Alloway, B.V., Westgate, J.A., Pillans, B. Pearce, N. and Newnham, R.M., Byrami, M., & Aarburg, S. (2004). Stratigraphy, age and correlation of middle Pleistocene silicic tephras in the Auckland region, New Zealand: a prolific distal record of Taupo Volcanic Zone volcanism. New Zealand Journal of Geology and Geophysics, 47(3), pp 447-479.
Newnham, R.M., Lowe, D.J., Green, J.D., Turner, G.M., Harper, M.A., McGlone, M.S., ... & Froggatt, P.C. (2004). A discontinous ca. 80 cal. ka record of late Quaternary environmental change from Lake Omapere, Northland, New Zealand. Palaeogeography, Palaeoclimatology, Palaeoecology, 207(1-2), pp 165-198.
Essex, S.J., Kent, M. & Newnham, R.M. (2004). Tourism development in Mallorca: is water supply a constraint? Journal of Sustainable Tourism, 12(1), pp 4-28.
Sidle, R.C., Taylor, D., Lu, X.X., Adger, W.N., Lowe, D.J., de Lange, W.P., Newnham, R.M., & Dodson, J. (2004). Interactions of natural hazards and society in Austral-Asian: evidence in past and recent records. Quaternary International 118-19, pp 181-203.
2003
Hogg, A.G., Palmer, J., Lowe, D.J., Reimer, P., Higham, T.F.G., & Newnham, R.M. (2003). Wiggle-match date for Polynesian ‘settlement layer’ (Kaharoa Tephra) of New Zealand. Antiquity, 77(295), pp 116-125.
Newnham, R.M., Eden, D.N., Lowe, D.J., & Hendy, C.H. (2003). Rerewhakaaitu Tephra, a land–sea marker for the last termination in New Zealand, with implications for global climate change. Quaternary Science Reviews, 22(2-4), pp 289-308.
Sandiford, A., Newnham, R.M., Alloway, B.V., & Ogden, J. (2003). A high resolution, southern hemisphere mid-latitude LGM to Holocene record of vegetation and climate change from northern New Zealand. Paleo3, 201, pp 235-247.
2002
Kent, M., Newnham, R.M., & Essex, S.J. (2002). Tourism and sustainable water supply in Mallorca: a geographical analysis. Applied Geography 22(4), pp 351-374.
Sandiford, A. Horrocks, M., Newnham, R.M., Ogden, J., & Alloway, B.V. (2002). Environmental change during the last glacial maximum (c. 25000-16,500 years B.P.) at Mt. Richmond, Auckland Isthmus, New Zealand. Journal of the Royal Society of New Zealand,32(1), 155-167.
Gehrels, W.R., Belknap, D., Black, S., & Newnham, R.M. (2002). Rapid sea-level rise in the Gulf of Maine. The Holocene, 12(4), pp 383-389.
Lowe, D.J., Newnham, R.M., & McCraw, J.D. (2002). Volcanism and Early Maori Society in New Zealand. In: R. Torrence & J. Grattan (Eds.), Natural Disasters and Cultural Change ( pp. 126-161). London, UK: Routledge.
2001
Kent, M., Owen, N.W., Dale, P., Newnham, R.M., & Giles, T.M. (2001). Studies of vegetation burial: a focus for biogeography and biogeomorphology? Progress in Physical Geography, 25(4), pp 455-482.
Newnham, R.M. & Alloway, B.V. (2001). The Last Interglacial/Glacial Cycle in Taranaki, Western North Island: A palynostratigraphic model. In D.K Goodman, & T.T. Clarke (Eds.), Proceedings of the IX International Palynological Congress, Houston, Texas, USA., 1996 (pp. 411-422). American Association of Stratigraphic Palynologists Foundation.
Newnham, R.M. (2001). Aeropalynology and global warming. In D.K Goodman, & T.T. Clarke (Eds.), Proceedings of the IX International Palynological Congress, Houston, Texas, USA., 1996 (pp. 567-570). American Association of Stratigraphic Palynologists Foundation.
Newnham, R.M. & Lowe, D.J. (2001). The search for Younger Dryas cooling in New Zealand using tephrochronology. In E.T. Juvigné & J.-P. Raynal (Eds.), Tephras: chronology, archaeology (pp.61-65). Goudet , France: CDERAD éditeur, Les Dossiers de l’Archeo-Logis 1.
2000
Gehrels, W.R., Belknap, D., Black, S., & Newnham, R.M. (2000). Rapid recent sea-level rise in the Gulf of Maine unprecedented in the past millennium. EOS supplement, American Geophysical Union Transactions, 81(19), S275.
Lowe, D.J., Newnham, R.M., McFadgen, B.G. & Higham, T.F.G. (2000). Tephras and archaeology in New Zealand and the timing of earliest Polynesian settlement. Journal of Archaeological Science, 27(10), pp 859-870.
Newnham, R.M., & Lowe, D.J. (2000). A fine-resolution pollen record of late glacial climate reversal from New Zealand. Geology, 28(8), pp 759-762.
1999
Newnham, R.M. (1999). Temperature changes during the Younger Dryas in New Zealand. Letter to Science 283(5403), pp 759.
Newnham, R.M. (1999). Environmental Change in Northland, New Zealand during the last glacial and Holocene. Quaternary International, 58(1), pp 61-70.
Lowe, D.J., & Newnham, R.M. (1999). Advances in Quaternary tephrostratigraphy and tephrochronology in New Zealand. Quaternary Australasia, 17(1), pp 12-19.
Newnham, R.M. (1999). Monitoring biological response to climate change: the potential role of aeropalynology. Aerobiologia, 15(2), pp 87-94.
Newnham, R.M., & Lowe, D.J. (1999). Testing the synchroneity of pollen signals using tephrostratigraphy. Global and Planetary Change, 21, pp 113-128.
Newnham, R.M., Lowe, D.J., & Williams, P.W. (1999). Quaternary environmental change in New Zealand: a review. Progress in Physical Geography, 23(4), pp 567-610.
Newnham, R.M., Lowe, D. J., & Alloway, B.V. (1999). Volcanic Hazards in Auckland, New Zealand: a preliminary assessment of the threat posed by volcanism in central North Island based on the Middle-Late Quaternary tephrostratigraphic record. In C.R Firth & W.J. McGuire (Eds.), Volcanoes in the Quaternary, Geological Society, London, Special Publications, 161, pp 27-45.
Giles, T.M., Newnham, R.M., Lowe, D.J., & Munro, A.J. (1999). Impact of tephra fall and environmental change: a 1000 year record from Matakana Island, Bay of Plenty, North Island, New Zealand. In C.R Firth & W.J. McGuire (Eds.), Volcanoes in the Quaternary, Geological Society, London, Special Publications, 161, pp 11-26.
Lowe, D.J., Newnham, R.M., & Ward, C.M. (1999). Tephrostratigraphy and chronology of a 15 ka sequence of multi-source silicic tephras in montane peat bog, eastern North Island , New Zealand. New Zealand Journal of Geology & Geophysics 42(4), pp 565-579.
1998
Newnham, R.M., Mather, A.E., Grattan, J., Gardner, A.R. & Holmes, A. (1998). An evaluation of the use of Internet sources as a basis for geography coursework. Journal of Geography in Higher Education, 22(1), pp 19-34.
Newnham, R.M. (1998).Prospects for the New Zealand geographer seeking a lectureship in Britain. New Zealand Geographer, 54(1), pp 46-49.
Newnham, R.M., Lowe, D.J. & Matthews, B.W. (1998). A late Holocene and prehistoric tephropalynological record of environmental change from Lake Waikaremoana, New Zealand. The Holocene, 8(4), pp 443-454.
Newnham, R.M., Lowe, D.J., McGlone, M.S., Wilmshurst, J.M., & Higham, T.F.G. (1998). The Kaharoa Tephra as a critical datum for earliest human impact in northern New Zealand. Journal of Archaeological Science, 25(6), pp 533-544.
Pre-1998
Newnham, R.M. (1997). Lecture reviews by students in groups. Journal of Geography in Higher Education, 21(1), pp 57 - 64.
Vandergoes, M.J., Fitzsimons, S.J. & Newnham, R.M. (1997). Late glacial to holocene vegetation and climate change in the eastern Takitimu Mountains, western Southland, New Zealand. Journal of the Royal Society of New Zealand, 27(1), pp 53-66.
Charman, D.J., Newnham, R.M., & Croot, D.G. (Eds.) (1996). Devon and East Cornwall Field Guide. London, UK: Quaternary Research Association.
Charman, D.J. & Newnham, R.M.. (1996). Introduction. In D.J. Charman, R.M. Newnham & D.G. Croot (Eds.),Devon and East Cornwall Field Guide. London, UK: Quaternary Research Association.
Newnham, R.M., Lowe, D.J., & Wigley, G.N.A. (1995). Late Holocene palynology and palaeovegetation of tephra-bearing mires at Papamoa and Waihi Beach,western Bay of Plenty, North Island, New Zealand. Journal of Royal Society of New Zealand, 25(2), pp 283-300.
Newnham, R.M., De Lange, P.J., & Lowe, D.J. (1995). Holocene vegetation, climate and history of a raised-bog complex, northern New Zealand, based on palynology, plant macrofossils, and tephrochronology. The Holocene, 5(3), pp 267-282.
Newnham, R.M., Fountain, D.W., Cornford, C., & Forde, M.B. (1995). Airborne Pollen and Grass Flowering in New Zealand with implications for respiratory disorders. Aerobiologia 11, pp 239-252.
Alloway, B.V. & Newnham, R.M. (1995). A preliminary assessment of the threat posed by distal silicic volcanism based in the Middle-Late Quaternary tephrostratigraphic record. Geological Society of New Zealand Miscellaneous Publication 81B: 73-83.
Ogden, J., Newnham, R.M., Palmer J.G., Serra, R.G. & Mitchell, N.D. (1993). Climatic implications of macro-and micro-fossil assemblages from late Pleistocene deposits in northern New Zealand. Quaternary Research, 39(1), pp 107-119.
Newnham, R.M., Ogden, J., & Mildenhall, D.C. (1993). A vegetation history of the Far North of New Zealand during the late Otira (Last) glaciation. Quaternary Research, 39(3), pp 361-372.
Newnham, R.M. (1992). A 30,000 year pollen, vegetation and climate record from Otakairangi, northern New Zealand. Journal of Biogeography 19(5), pp 541-554.
Ogden, J., Wilson, A., Hendy, C., Hogg, A. & Newnham, R.M.(1992). The Late Quaternary history of kauri (Agathis australis) in New Zealand and its climatic significance. Journal of Biogeography, 19(6), pp 611-622.
Newnham, R.M., & Lowe, D.J. (1991). Holocene vegetation and volcanic activity of the Auckland Isthmus, New Zealand. Journal of Quaternary Science, 6(3), pp 177-193.
Newnham, R.M., Lowe, D.J. & Green, J.D. (1989). Palynology, vegetation and climate of the Waikato lowlands, North Island, New Zealand since c18,000 years ago. Journal of the Royal Society of New Zealand, 19(2), pp 127-150.
Non-peer Reviewed Publications
Newnham, R.M., Lowe, D., Gray, L., & Moore, P. (2008).Preliminary report (for Bay of Plenty District Council) on palynology of late-Holocene sections at Omokoroa and Tuapiro, Tauranga Harbour, North Island, New Zealand.
Yu, Z., Hoek, W.Z., & Newnham, R.M. (2005). The INTIMATE Projects: Integration of Ice core, Marine and Terrestrial Records of the Last v Termination in the North Atlantic region and elsewhere. PAGES News, 13(2), pp 4.
Lowe, D.J., Hajdas, I., Newnham, R.M., Alloway, B.V & Hogg, A.G. (2005). Improving tephra isochrons for NZ-INTIMATE. In Alloway, B.V. & Shulmeister, J. (Eds.), Proceedings of the 2005 NZ-INTIMATE Meeting, GNS Rafter Laboratory, Wellington: July 4-5 2005 (Science report 2005/18, p.18). Lower Hutt, New Zealand: Institute of Geological and Nuclear Sciences.
Lowe, D.J. & Newnham, R.M. (2005). Role of tephra in dating Polynesian settlement and impact, New Zealand. In V.A. Hall & B.V. Alloway (Eds.), Tephras. Past Global Changes. PAGES News, 12 (3), pp 5-7.
de Lange, P.J., Lowe, D.J. & Newnham, R.M. (1996). What was the original forest composition of Great Island (Three Kings)? Conservation Science Newsletter, 21/22, pp 7-11.
Newnham, R.M. & Grant-Mackie, J.A. (1993). Palynology of a peat layer interbedded with rhyolitic tephra layers at Bucklands Beach, Auckland: a preliminary investigation. Tane, 34, pp 133-140.
Newnham, R.M. & Lusk, C.J. (1987). Comparison of plant micro- and macrofossil assemblages from Karioitahi, Awhitu Peninsula. Tane 32, pp 171-178.
Newnham, R.M. (1986). Letter from Leh. Far Eastern Economic Review 23 (January), pp 74.
Newnham, R.M. (1981). Il s’appelle Polyculture. New Zealand Journal of Agriculture February, pp 52-56.