# Global Holocene Paleodust Database #----------------------------------------------------------------------- # World Data Service for Paleoclimatology, Boulder # and # NOAA Paleoclimatology Program # National Centers for Environmental Information (NCEI) #----------------------------------------------------------------------- # Template Version 2.0 # NOTE: Please cite Publication, and Online_Resource and date accessed when using these data. # If there is no publication information, please cite Investigators, Title, and Online_Resource and date accessed. # # Online_Resource: https://www.ncdc.noaa.gov/paleo/study/20529 # Online_Resource: http://www1.ncdc.noaa.gov/pub/data/paleo/loess/albani2015/albani2015v21-146-gs.txt # # Original_Source_URL: # # Description/Documentation lines begin with # # Data lines have no # # # Archive: Loess # # Parameter_Keywords: #-------------------- # Contribution_Date # Date: 2016-09-16 #-------------------- # Title # Study_Name: Global Holocene Paleodust Database #-------------------- # Investigators # Investigators: Albani, S.; Mahowald, N.M.; Winckler, G.; Anderson, R.F.; Bradtmiller, L.I.; Delmonte, B.; François, R.; Goman, M.; Heavens, N.G.; Hesse, P.P; Hovan, S.A.; Kang, S.G.; Kohfeld, K.E.; Lu, H.; Maggi, V.; Mason, J.A.; Mayewski, P.A.; McGee, D.; Miao, X.; Otto-Bliesner, B.L.; Perry, A.T.; Pourmand, A.; Roberts, H.M.; Rosenbloom, N.; Stevens, T.; Sun, J. #-------------------- # Description_and_Notes # Description: Mineral dust data (dust mass accumulation rates and particle grain size distributions) derived from a global set of 45 # ice core, marine sediment, loess-paleosol, lake sediment, and peat bog records. # Provided Keywords: Dust Mass Accumulation Rate (DMAR), grain size #-------------------- # Publication # Authors: S. Albani, N.M. Mahowald, G. Winckler, R.F. Anderson, L.I. Bradtmiller, B. Delmonte, R. François, M. Goman, N.G. Heavens, P.P. Hesse, S.A. Hovan, S.G. Kang, K.E. Kohfeld, H. Lu, V. Maggi, J.A. Mason, P.A. Mayewski, D. McGee, X. Miao, B.L. Otto-Bliesner, A.T. Perry, A. Pourmand, H.M. Roberts, N. Rosenbloom, T. Stevens, and J. Sun # Published_Date_or_Year: 2015-06-11 # Published_Title: Twelve thousand years of dust: the Holocene global dust cycle constrained by natural archives # Journal_Name: Climate of the Past # Volume: 11 # Edition: # Issue: 6 # Pages: 869-903 # Report_Number: # DOI: 10.5194/cp-11-869-2015 # Online_Resource: http://www.clim-past.net/11/869/2015/cp-11-869-2015.html # Full_Citation: # Abstract: Mineral dust plays an important role in the climate system by interacting with radiation, clouds, and biogeochemical cycles. In addition, natural archives show that the dust cycle experienced variability in the past in response to global and local climate change. The compilation of the DIRTMAP (Dust Indicators and Records from Terrestrial and MArine Palaeoenvironments) paleodust data sets in the last 2 decades provided a benchmark for paleoclimate models that include the dust cycle, following a time slice approach. We propose an innovative framework to organize a paleodust data set that builds on the positive experience of DIRTMAP and takes into account new scientific challenges by providing a concise and accessible data set of temporally resolved records of dust mass accumulation rates and particle grain size distributions. We consider data from ice cores, marine sediments, loess-paleosol sequences, lake sediments, and peat bogs for this compilation, with a temporal focus on the Holocene period. This global compilation allows the investigation of the potential, uncertainties, and confidence level of dust mass accumulation rate reconstructions and highlights the importance of dust particle size information for accurate and quantitative reconstructions of the dust cycle. After applying criteria that help to establish that the data considered represent changes in dust deposition, 45 paleodust records have been identified, with the highest density of dust deposition data occurring in the North Atlantic region. Although the temporal evolution of dust in the North Atlantic appears consistent across several cores and suggests that minimum dust fluxes are likely observed during the early to mid-Holocene period (6000-8000 years ago), the magnitude of dust fluxes in these observations is not fully consistent, suggesting that more work needs to be done to synthesize data sets for the Holocene. Based on the data compilation, we used the Community Earth System Model to estimate the mass balance of and variability in the global dust cycle during the Holocene, with dust loads ranging from 17.2 to 20.8 Tg between 2000 and 10 000 years ago and with a minimum in the early to mid-Holocene (6000-8000 years ago). #------------------ # Funding_Agency # Funding_Agency_Name: US National Science Foundation # Grant: 0932946, 1003509, AGS-1003505 #------------------ # Funding_Agency # Funding_Agency_Name: US Department of Energy # Grant: SC00006735 #------------------ # Funding_Agency # Funding_Agency_Name: Dote ricercatori # Grant: FSE, Regione Lombardia #------------------ # Site_Information # Site_Name: V21-146 # Location: Ocean>Pacific Ocean>North Pacific Ocean # Country: # Northernmost_Latitude: 37.6833 # Southernmost_Latitude: 37.6833 # Easternmost_Longitude: 163.0333 # Westernmost_Longitude: 163.0333 # Elevation: m #------------------ # Data_Collection # Collection_Name: Albani2015V21-146-GS # Earliest_Year: 12000 # Most_Recent_Year: 0 # Time_Unit: Cal. Year BP # Core_Length: m # Notes: #------------------ # Chronology_Information # Chronology: # #---------------- # Variables # # Data variables follow are preceded by "##" in columns one and two. # Data line variables format: Variables list, one per line, shortname-tab-longname-tab-longname components (9 components: what, material, error, units, seasonality, archive, detail, method, C or N for Character or Numeric data) # ## age_calkaBP age, , , calendar Kyears before present, , , , ,N ## dustMAR dust mass accumulation rate, , , g/m2/a, , , , ,N ## age_err age error, , , calendar Kyears, , , , ,N ## dustMARerr dust mass accumulation rate error, , , g/m2/a, , , , ,N ## gs0.28137675-0.3125175um grain size 0.28137675-0.3125175um, , , %, , , , ## gs0.3125175-0.34365825um grain size 0.3125175-0.34365825um, , , %, , , , ## gs0.34365825-0.3762438um grain size 0.34365825-0.3762438um, , , %, , , , ## gs0.3762438-0.4117295um grain size 0.3762438-0.4117295um, , , %, , , , ## gs0.4117295-0.45037345um grain size 0.4117295-0.45037345um, , , %, , , , ## gs0.45037345-0.49245665um grain size 0.45037345-0.49245665um, , , %, , , , ## gs0.49245665-0.53828535um grain size 0.49245665-0.53828535um, , , %, , , , ## gs0.53828535-0.5881927um grain size 0.53828535-0.5881927um, , , %, , , , ## gs0.5881927-0.6425419um grain size 0.5881927-0.6425419um, , , %, , , , ## gs0.6425419-0.7017281um grain size 0.6425419-0.7017281um, , , %, , , , ## gs0.7017281-0.76618195um grain size 0.7017281-0.76618195um, , , %, , , , ## gs0.76618195-0.8363721um grain size 0.76618195-0.8363721um, , , %, , , , ## gs0.8363721-0.91280925um grain size 0.8363721-0.91280925um, , , %, , , , ## gs0.91280925-0.99604925um grain size 0.91280925-0.99604925um, , , %, , , , ## gs0.99604925-1.08669765um grain size 0.99604925-1.08669765um, , , %, , , , ## gs1.08669765-1.1854137um grain size 1.08669765-1.1854137um, , , %, , , , ## gs1.1854137-1.29291555um grain size 1.1854137-1.29291555um, , , %, , , , ## gs1.29291555-1.409985um grain size 1.29291555-1.409985um, , , %, , , , ## gs1.409985-1.5374737um grain size 1.409985-1.5374737um, , , %, , , , ## gs1.5374737-1.67630885um grain size 1.5374737-1.67630885um, , , %, , , , ## gs1.67630885-1.82750035um grain size 1.67630885-1.82750035um, , , %, , , , ## gs1.82750035-1.99214785um grain size 1.82750035-1.99214785um, , , %, , , , ## gs1.99214785-2.171449um grain size 1.99214785-2.171449um, , , %, , , , ## gs2.171449-2.36670795um grain size 2.171449-2.36670795um, , , %, , , , ## gs2.36670795-2.57934495um grain size 2.36670795-2.57934495um, , , %, , , , ## gs2.57934495-2.81090665um grain size 2.57934495-2.81090665um, , , %, , , , ## gs2.81090665-3.06307735um grain size 2.81090665-3.06307735um, , , %, , , , ## gs3.06307735-3.33769125um grain size 3.06307735-3.33769125um, , , %, , , , ## gs3.33769125-3.63674575um grain size 3.33769125-3.63674575um, , , %, , , , ## gs3.63674575-3.96241615um grain size 3.63674575-3.96241615um, , , %, , , , ## gs3.96241615-4.31707115um grain size 3.96241615-4.31707115um, , , %, , , , ## gs4.31707115-4.7032905um grain size 4.31707115-4.7032905um, , , %, , , , ## gs4.7032905-5.12388335um grain size 4.7032905-5.12388335um, , , %, , , , ## gs5.12388335-5.581909um grain size 5.12388335-5.581909um, , , %, , , , ## gs5.581909-6.0806989um grain size 5.581909-6.0806989um, , , %, , , , ## gs6.0806989-6.6238811um grain size 6.0806989-6.6238811um, , , %, , , , ## gs6.6238811-7.21540655um grain size 6.6238811-7.21540655um, , , %, , , , ## gs7.21540655-7.8595777um grain size 7.21540655-7.8595777um, , , %, , , , ## gs7.8595777-8.56108015um grain size 7.8595777-8.56108015um, , , %, , , , ## gs8.56108015-9.32501625um grain size 8.56108015-9.32501625um, , , %, , , , ## gs9.32501625-10.1569427um grain size 9.32501625-10.1569427um, , , %, , , , ## gs10.1569427-11.0629106um grain size 10.1569427-11.0629106um, , , %, , , , ## gs11.0629106-12.04950965um grain size 11.0629106-12.04950965um, , , %, , , , ## gs12.04950965-13.123916um grain size 12.04950965-13.123916um, , , %, , , , ## gs13.123916-14.29394455um grain size 13.123916-14.29394455um, , , %, , , , ## gs14.29394455-15.56810555um grain size 14.29394455-15.56810555um, , , %, , , , ## gs15.56810555-16.955667um grain size 15.56810555-16.955667um, , , %, , , , ## gs16.955667-18.4667213um grain size 16.955667-18.4667213um, , , %, , , , ## gs18.4667213-20.11225955um grain size 18.4667213-20.11225955um, , , %, , , , ## gs20.11225955-21.9042506um grain size 20.11225955-21.9042506um, , , %, , , , ## gs21.9042506-23.85572895um grain size 21.9042506-23.85572895um, , , %, , , , ## gs23.85572895-25.9808888um grain size 23.85572895-25.9808888um, , , %, , , , ## gs25.9808888-28.29518795um grain size 25.9808888-28.29518795um, , , %, , , , ## gs28.29518795-30.81545965um grain size 28.29518795-30.81545965um, , , %, , , , ## gs30.81545965-33.5600356um grain size 30.81545965-33.5600356um, , , %, , , , ## gs33.5600356-36.5488787um grain size 33.5600356-36.5488787um, , , %, , , , ## gs36.5488787-39.80372895um grain size 36.5488787-39.80372895um, , , %, , , , ## gs39.80372895-43.3482608um grain size 39.80372895-43.3482608um, , , %, , , , ## gs43.3482608-47.208256um grain size 43.3482608-47.208256um, , , %, , , , ## gs47.208256-51.4117908um grain size 47.208256-51.4117908um, , , %, , , , ## gs51.4117908-55.98944015um grain size 51.4117908-55.98944015um, , , %, , , , ## gs55.98944015-60.97450035um grain size 55.98944015-60.97450035um, , , %, , , , ## gs60.97450035-66.40323085um grain size 60.97450035-66.40323085um, , , %, , , , ## gs66.40323085-72.31511845um grain size 66.40323085-72.31511845um, , , %, , , , ## gs72.31511845-78.75316395um grain size 72.31511845-78.75316395um, , , %, , , , ## gs78.75316395-85.76419555um grain size 78.75316395-85.76419555um, , , %, , , , ## gs85.76419555-93.39920895um grain size 85.76419555-93.39920895um, , , %, , , , ## gs93.39920895-101.7137386um grain size 93.39920895-101.7137386um, , , %, , , , ## gs101.7137386-110.7682613um grain size 101.7137386-110.7682613um, , , %, , , , ## gs110.7682613-120.6286366um grain size 110.7682613-120.6286366um, , , %, , , , ## gs120.6286366-131.3665853um grain size 120.6286366-131.3665853um, , , %, , , , ## gs131.3665853-143.0602113um grain size 131.3665853-143.0602113um, , , %, , , , ## gs143.0602113-155.7945701um grain size 143.0602113-155.7945701um, , , %, , , , ## gs155.7945701-169.6622869um grain size 155.7945701-169.6622869um, , , %, , , , ## gs169.6622869-184.7642304um grain size 169.6622869-184.7642304um, , , %, , , , ## gs184.7642304-208.3394615um grain size 184.7642304-208.3394615um, , , %, , , , # #---------------- # Data: # Data lines follow (have no #) # Data line format - tab-delimited text, variable short name as header # Missing Values: NA # age_calkaBP dustMAR age_err dustMARerr gs0.28137675-0.3125175um gs0.3125175-0.34365825um gs0.34365825-0.3762438um gs0.3762438-0.4117295um gs0.4117295-0.45037345um gs0.45037345-0.49245665um gs0.49245665-0.53828535um gs0.53828535-0.5881927um gs0.5881927-0.6425419um gs0.6425419-0.7017281um gs0.7017281-0.76618195um gs0.76618195-0.8363721um gs0.8363721-0.91280925um gs0.91280925-0.99604925um gs0.99604925-1.08669765um gs1.08669765-1.1854137um gs1.1854137-1.29291555um gs1.29291555-1.409985um gs1.409985-1.5374737um gs1.5374737-1.67630885um gs1.67630885-1.82750035um gs1.82750035-1.99214785um gs1.99214785-2.171449um gs2.171449-2.36670795um gs2.36670795-2.57934495um gs2.57934495-2.81090665um gs2.81090665-3.06307735um gs3.06307735-3.33769125um gs3.33769125-3.63674575um gs3.63674575-3.96241615um gs3.96241615-4.31707115um gs4.31707115-4.7032905um gs4.7032905-5.12388335um gs5.12388335-5.581909um gs5.581909-6.0806989um gs6.0806989-6.6238811um gs6.6238811-7.21540655um gs7.21540655-7.8595777um gs7.8595777-8.56108015um gs8.56108015-9.32501625um gs9.32501625-10.1569427um gs10.1569427-11.0629106um gs11.0629106-12.04950965um gs12.04950965-13.123916um gs13.123916-14.29394455um gs14.29394455-15.56810555um gs15.56810555-16.955667um gs16.955667-18.4667213um gs18.4667213-20.11225955um gs20.11225955-21.9042506um gs21.9042506-23.85572895um gs23.85572895-25.9808888um gs25.9808888-28.29518795um gs28.29518795-30.81545965um gs30.81545965-33.5600356um gs33.5600356-36.5488787um gs36.5488787-39.80372895um gs39.80372895-43.3482608um gs43.3482608-47.208256um gs47.208256-51.4117908um gs51.4117908-55.98944015um gs55.98944015-60.97450035um gs60.97450035-66.40323085um gs66.40323085-72.31511845um gs72.31511845-78.75316395um gs78.75316395-85.76419555um gs85.76419555-93.39920895um gs93.39920895-101.7137386um gs101.7137386-110.7682613um gs110.7682613-120.6286366um gs120.6286366-131.3665853um gs131.3665853-143.0602113um gs143.0602113-155.7945701um gs155.7945701-169.6622869um gs169.6622869-184.7642304um gs184.7642304-208.3394615um 0.00 1.92 0.00 0.76 NA NA NA NA NA NA NA NA NA NA NA NA NA 0 0.843877044 3.236596076 6.284252916 8.973295833 10.58886809 10.76118496 10.14655419 9.193754748 8.035012163 6.793634456 5.552496212 4.48946759 3.554270104 2.790233283 2.17447804 1.672159925 1.26640359 0.920077601 0.679298586 0.529408551 0.41449488 0.297079982 0.200389626 0.147312456 0.115882433 0.097485245 0.075947766 0.050908111 0.032230971 0.023477186 0.017685369 0.012196211 0.010282512 0.006411041 0.005657405 0.003441247 0.000680095 0.0006375 0.000619 0.001857 0 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA 6.00 1.44 0.41 0.57 NA NA NA NA NA NA NA NA NA NA NA NA NA 0 0.582867089 2.386566017 5.017829999 7.592437732 9.352107933 10.12017464 9.974782807 9.17333845 8.169839615 7.122767944 6.086036501 5.144217451 4.221618425 3.366976461 2.724978366 2.166355073 1.641868722 1.248670394 0.948642566 0.711590247 0.556752377 0.427754423 0.317921208 0.23368338 0.167519752 0.126339811 0.096640536 0.078768941 0.068265245 0.051829975 0.03610022 0.024720588 0.018645968 0.008987911 0.008488742 0.010399059 0.006568931 0.003159 0.002525 0.0012625 0.00E+00 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA 8.00 1.64 0.54 0.65 NA NA NA NA NA NA NA NA NA NA NA NA NA 0 0.641459379 2.254543799 4.071688405 5.722711242 6.961153225 7.749804364 8.15380721 8.220817226 7.937548003 7.42039578 6.857000351 6.028407662 5.167988325 4.478211124 3.784171798 3.048481182 2.499517476 2.023992335 1.57939354 1.222907626 0.923139154 0.728279727 0.574656665 0.446918276 0.353211094 0.270270788 0.213495899 0.166421281 0.121220061 0.100647703 0.08239002 0.063864546 0.042654801 0.030616863 0.020780407 0.012987067 0.00872443 0.00569614 0.004784758 0.005240268 0 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA 12.00 1.44 0.82 0.57 NA NA NA NA NA NA NA NA NA NA NA NA NA 0 0.672353813 2.518614277 4.918568684 7.093175462 8.428084752 9.019866545 9.178277179 8.863552203 8.186518839 7.309536911 6.415109802 5.527150588 4.601052888 3.799238335 3.14637415 2.495815566 1.916344838 1.442255544 1.09848141 0.825188886 0.629095797 0.500142196 0.364195278 0.28717116 0.197564962 0.126277522 0.108112658 0.086605046 0.064976575 0.050273736 0.034445916 0.026298225 0.021137844 0.019115237 0.013686566 0.006012061 0.00313705 0.00247 0.001867 0.0018545 0 NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA