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- Creator:
- Grosky, William I. and Ruas, Terry L.
- Description:
- This dataset was used for a proof-of-concept of fixed lexical chain approach for semantic information retrieval.
- Keyword:
- fixed lexical chains
- Citation to related publication:
- Ruas, T. L., & Grosky, W. I. (2017). Exploring and expanding the use of lexical chains in information retrieval. Ann Arbor: University of Michigan. Retrieved from the Deep Blue institutional repository website: http://dx.doi.org/10.3998/2027.42/136659
- Discipline:
- Engineering
-
- Creator:
- Huber, Daniel E
- Description:
- The files here provide monthly averaged soil NOx emissions (units of ng N m^-2 s^-1) for the contiguous United States on a 0.25 degree x 0.25 degree grid for the years 2011-2020 .
- Keyword:
- soil NOx, soil emissions, biogenic emissions, and agricultural emissions
- Discipline:
- Science
-
- Creator:
- Regoli, Leonardo H.
- Description:
- The research analyzed the response of nine PNI RM3100 magnetometers to radiation doses expected during a Europa lander mission. The radiation levels are drawn from the Europa Lander Science Definition Team report ( https://europa.nasa.gov/resources/58/europa-lander-study-2016-report). The sensors were tested up to a total ionization dose (TID) level of 500 kRad.
- Keyword:
- Magnetometer, Magneto-inductive, Europa, and Radiation
- Citation to related publication:
- Regoli, L. H., Moldwin, M. B., Raines, C., Nordheim, T. A., Miller, C. A., Carts, M., and Pozzi, S. A.: Radiation tolerance of the PNI RM3100 magnetometer for a Europa lander mission, Geosci. Instrum. Method. Data Syst., 9, 499–507, https://doi.org/10.5194/gi-9-499-2020, 2020.
- Discipline:
- Science and Engineering
-
- Creator:
- Chun-Seok Cho, Jingyue Xi, Hyun Min Kang, and Jun Hee Lee
- Description:
- There are three experimental outputs from Seq-Scope. (1) High definition map coordinate identifier (HDMI) sequence, tile and spatial coordinate information from 1st-Seq, (2) HDMI sequence, coupled with cDNA sequence from 2nd-Seq, and (3) Histological image obtained from Hematoxylin and Eosin (H&E) staining of the tissue slice. (1) and (2) were uploaded to GEO ( https://www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE169706). (3) is deposited here. In addition, this deposit includes the processed RDS (single R object) data files.
- Keyword:
- Seq-Scope, scRNA-seq, and spatial transcriptomics
- Citation to related publication:
- Chun-Seok Cho, Jingyue Xi, Sung-Rye Park, Jer-En Hsu, Myungjin Kim, Goo Jun, Hyun-Min Kang, Jun Hee Lee “Seq-Scope: Submicrometer-resolution spatial transcriptomics for single cell and subcellular studies” (preprint) bioRxiv https://doi.org/10.1101/2021.01.25.427807 and Related data sets in NCBI’s Gene Expression Omnibus (GEO) repository: Cho C, Xi J, Si Y, Lee JH, Kang HM, Park S, Hsu J, Kim M, Jun G “Seq-Scope: Submicrometer-resolution spatial barcoding technology that enables microscopic examination of tissue transcriptome at single cell and subcellular levels” https://www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE169706
- Discipline:
- Health Sciences
-
- Creator:
- Hsu, Jer-En, Cho, Chun-Seok, Kim, Myungjin, Xi, Jingyue, and Lee, Jun Hee
- Description:
- There are three experimental outputs from Seq-Scope. (1) High definition map coordinate identifier (HDMI) sequence, tile and spatial coordinate information from 1st-Seq, (2) HDMI sequence, coupled with cDNA sequence from 2nd-Seq, and (3) Histological image obtained from Hematoxylin and Eosin (H&E) staining of the tissue slice. (1) and (2) were uploaded to GEO ( https://www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE186601). (3) is deposited here. In addition, this deposit includes the processed RDS (single R object) data files.
- Citation to related publication:
- Do TH, Ma F, Andrade PR, Teles R, de Andrade Silva BJ, Hu C, Espinoza A, Hsu JE, Cho CS, Kim M, Xi J, Xing X, Plazyo O, Tsoi LC, Cheng C, Kim J, Bryson BD, O'Neill AM, Colonna M, Gudjonsson JE, Klechevsky E, Lee JH, Gallo RL, Bloom BR, Pellegrini M, Modlin RL. TREM2 macrophages induced by human lipids drive inflammation in acne lesions. Sci Immunol. 2022 Jul 22;7(73):eabo2787. doi: 10.1126/sciimmunol.abo2787. Epub 2022 Jul 22. PMID: 35867799; PMCID: PMC9400695.
- Discipline:
- Health Sciences
-
- Creator:
- Kim, Yongsung, Cheng, Weiqiu, Cho, Chun-Seok, Kang, Hyun Min, and Lee, Jun Hee
- Description:
- This dataset contains a typical example of Seq-Scope dataset that investigators would generate after examining the initial sequence data. If the quality of the initial Seq-Scope dataset looks great, one may decide to sequence the library much more deeply to maximize the information content. (see NovaScope tutorial at https://seqscope.github.io/NovaScope/ for more details). The spatial barcode sequences and the initial version of the sequenced cDNA library are deposited separate repository, which is described in the NovaScope documentation ( https://seqscope.github.io/NovaScope/). This data repository contains a deeper sequencing of the same library. A shallower version of sequencing, which does not have overlapping data with the current repository can be found at https://doi.org/10.5281/zenodo.10840695
- Keyword:
- Seq-Scope, Spatial Transcriptomics
- Citation to related publication:
- Yongsung Kim, Weiqiu Cheng, Chun-Seok Cho, Yongha Hwang, Yichen Si, Anna Park, Mitchell Schrank, Jer-En Hsu, Jingyue Xi, Myungjin Kim, Ellen Pedersen, Olivia I. Koues, Thomas Wilson, Goo Jun, Hyun Min Kang2, Jun Hee Lee, “Seq-Scope Protocol: Repurposing Illumina Sequencing Flow Cells for High-Resolution Spatial Transcriptomics” (submitted)
- Discipline:
- Science
-
- Creator:
- Nunley, Hayden, Nagashima, Mikiko, Martin, Kamirah, Lorenzo Gonzalez, Alcides, Suzuki, Sachihiro C., Norton, Declan A., Wong, Rachel O. L., Raymond, Pamela A., and Lubensky, David K.
- Description:
- This dataset contains images of dissected and fixed retinae in which cones of specific subtypes are labeled either by transgenic expression of a fluorescent reporter or by antibody staining (Figures 1 and 2 and 6A and Supplementary Figure 7A). This dataset also contains images of dissected and fixed retinae in ZO1 is immunostained (Figure 6C-E and Supplementary Figure 7B). Please see the readme file for which files correspond to which figures.
- Keyword:
- zebrafish cone mosaic, topological defects, and tissue patterning
- Citation to related publication:
- Nunley, H., Nagashima, M., Martin, K., Gonzalez, A. L., Suzuki, S. C., Norton, D. A., Wong, R. O. L., Raymond, P. A., & Lubensky, D. K. (2020). Defect patterns on the curved surface of fish retinae suggest a mechanism of cone mosaic formation. PLOS Computational Biology, 16(12), e1008437. https://doi.org/10.1371/journal.pcbi.1008437 and Hayden Nunley, Mikiko Nagashima, Kamirah Martin, Alcides Lorenzo Gonzalez, Sachihiro C. Suzuki, Declan Norton, Rachel O. L. Wong, Pamela A. Raymond, David K. Lubensky. Defect patterns on the curved surface of fish retinae suggest mechanism of cone mosaic formation. bioRxiv 806679; doi: https://doi.org/10.1101/806679
- Discipline:
- Science
-
Settlements
User Collection- Creator:
- Vani Archaeological Survey
- Description:
- Settlements documented by the Vani Archaeological Survey
- Keyword:
- Settlement
38Works -
- Creator:
- Lin, Austin J, Lei, Shunbo, Keskar, Aditya, Hiskens, Ian A, Johnson, Jeremiah X , Mathieu, Johanna L, Kennedy, Tim, DeMink, Scott, Morgan, Kevin, Flynn, Connor, Giessner, Paul, Anderson, David, Dongmo, Jordan, Afshari, Sina, Li, Han, and Ceilsinki, Andrew
- Description:
- This is a subset of the SHIFDR dataset collection containing data from 14 buildings in Southeast Michigan. The full dataset collection can be found at https://deepblue.lib.umich.edu/data/collections/vh53ww273?locale=en and Organization: We include a subfolder for each building, identified by name. All buildings have been renamed after lakes to protect the identity of the building. Within each building subfolder, there is fan power (i.e. current measurements from which fan power can be computed), building automation system (BAS), whole building electrical load (WBEL), and voltage data collected over the course of our experimentation from 2017 to 2021. All experiments were conducted in the summer months and a full schedule of Demand Response (DR) events is included along with each building in the ‘Event_Schedule.csv’ file. The building information file contains general information about the buildings, pertinent to the experiments we conducted. There is also a folder labeled ‘2021 Preprocessed data’ which contains combined BAS and fan power data from the summer of 2021. This data has been lightly processed to calculate fan power from current measurements and interpolate BAS data to 1 minute intervals. These act as an easy-to-use starting point for data analysis.
- Citation to related publication:
- A.J. Lin, S. Lei, A. Keskar, I.A. Hiskens, J.X. Johnson, and J.L. Mathieu. “The Sub-metered HVAC Implemented For Demand Response (SHIFDR) Dataset,” Submitted, 2023.
- Discipline:
- Engineering
-
SHIFDR: Sub-metered HVAC Implemented For Demand Response
User Collection- Creator:
- Lin, Austin and Mathieu, Johanna
- Description:
- The Sub-metered HVAC Implemented for Demand Response (SHIFDR) dataset is a massive dataset that captures the response of individual commercial building HVAC system components to demand response events. The dataset includes device-level power consumption during demand response events as well as during normal operation. We have organized the data into subsets, with each subset containing data from buildings in different parts of the world. Kindly refer to the README file within each subsection for specific information about how data is organized. Please reach out if you have data that you would like to share, find any mistakes in the data, or have any questions. We are always trying to improve SHIFDR.
- Discipline:
- Engineering
1Works -
- Creator:
- Vani Archaeological Survey
- Description:
- The modern settlement of Shuamta lies 5 km west of Vani at the point where the main east-west road south of the Phasis River crosses the Qumuri, a major tributary of the Phasis. The village is located in the Vani administrative district. Our investigations centered on a hill south of the village center, overlooking the left (west) bank of the Qumuri River. The hill is named Melashvilebisgora or Melashvilebis Ubani and is oriented roughly north-south. We approached the hill by driving south around its west side, stopping at a ploughed field very rich in pottery (A033). We then walked to the top of the hill from this field. On the highest point rests a Mediaeval fortress built of mortared rubble masonry, large chunks of which have fallen down the surrounding slopes (A034). Pottery was noted during both previous survey work and during the present investigation over all sides of the hill, suggesting that it was the site of an extensive settlement. Of special note was a fragment of a 6th-century B.C. Chiote chalice.
- Keyword:
- Modern Settlement
- Citation to related publication:
- Archaeological knowledge of Shuamta dates to the late 1970's. Formal archaeological work in the form of surveys took place in 1981 and 1986. No further work has been done in the area., Beradze, T. 1977. Vanis raionis istoriuli geograpiidan [From the historical geography of the Vani district]. Vani III. Tbilisi. pp. 238-40. (In Georgian with a Russian summary.) , Gamqrelidze, G. 1982. Tsentraluri kolkhetis dzveli namosakhlarebi [Ancient settlements of Central Colchis]. Tbilisi. (In Georgian with summaries in Russian and English.), Kacharava, D. 1983. Mokhatuli, shavlakiani da sada keramika. Vani VII. Tbilisi. pp. 26-51, p. 29. (In Georgian.), Kvirkvelia, G. 1990. La Région de Vani aux VIIIème – Vème Siècles. In Le Pont-Euxin Vu Par les Grecs, Sources Écrites et Archéologique, Symposium de Vani (Colchide), Septembre-Octobre 1987, Otar Lordkipanidze et Pierre Lévêque, ed. Tea Khartchilava et Evelyne Geny, pp. 253-56. Centre de Recherches d’Histoire Ancienne, Vol. 100. Paris: Annales Littéraires de l’Université de Besançon., Kvirkvelia, G. T. 1990. Vanskii region v VII-V vv. do n. e. [The Vani Region in the 7th-5th cent. B.C.] Prichernomorye v VII-V vv. do n. e. Pismennye istochniki i arkheologiya. Materialy V Mezhdunarodnogo simpoziuma po drevnei istorii Prichernomorya. Vani – 1987 [The Black Sea littoral in the 7th-5th centuries B.C. Literary sources and archaeology (Problem of authenticity). Materials of the 5th International symposium dedicated to the problems of the ancient history of the Black Sea littoral. Vani – 1987]. Tbilisi. p. 280. (In Russian.), and Kharabadze, S. 2008. “Vanis Qveq’nis” Arqeologiuri Ruk’a (dzv.ts. VIII – akh.ts. III ss.). (Archaeological Map of the Vani Land, 8th Century BC – 3rd Century AD). Tsardgenilia Doqt’oris Ak’ademiuri Khariskhis Mosap’oveblad. Saqartvelos T’eqnik’uri Universit’et’i. Tbilisi, 0175, Saqartvelo. Seqt’emberi. p. 42-43, Plate XXXII. (In Georgian with an English summary.)
- Discipline:
- Social Sciences and Humanities
-
- Creator:
- Vani Archaeological Survey
- Description:
- Melashvilebisgora or Melashvilebis Ubani is located south of the modern settlement of Shuamta and is oriented roughly north south. Pottery was noted both during previous survey work and during the present investigation over all sides of the hill, suggesting that it was the site of an extensive settlement. In particular, ploughed agricultural fields on the west slope of the hill yielded a rich assemblage of pottery, including an Early Bronze Age tubular jug and miscellaneous sherds dating from the Iron Age through the Late Hellenistic period, burnt mud plaster, fragments of flint and obsidian, a bronze bracelet, and glass fragments, including one fragment of a glass bracelet. On the east slope of the hill, large fragments of burnt mud plaster were noted together with a Colchian pan tile fragment of the Hellenistic period. In 2009 the survey project investigated the area using two methods of geophysical prospection, electrical resistivity and magnetic survey. In 2010 excavations were carried out to investigate anomalies detected by geophysical prospection. A series of four trenches revealed significant concentrations of pottery and burnt daub from wattle-and-daub structures, in three cases associated with pit features. One of these, a circular pit approximately 2 m wide and 60 cm deep is too small to have been used for habitation, and was perhaps a dugout storage feature or waste pit of some kind, partly subterranean, partly rising above grade on wattle and daub walls. Another, 1.5 m wide and at least 2.5 m long, may have belonged to a dugout house. Alternatively, these features may be quarry pits resulting from the collection of clay-rich soils appropriate for constructing the kind of wattle-and-daub structures that are found here and at sites throughout the region. These quarry pits would then have been filled with waste materials such as burnt mud plasters during the occupation of the site. With the exception of one trench that contained some debris that had apparently washed down from later habitation at a higher elevation, the small finds from these excavations were exclusively Iron Age in date, including three terracotta animal figurines.
- Keyword:
- Early Hellenistic, Iron Age, Classical, Late Hellenistic, Settlement, and Early Bronze Age
- Citation to related publication:
- Archaeological knowledge of Shuamta dates to the late 1970's. Formal archaeological work in the form of surveys took place in 1981 and 1986. No further work has been done in the area., Beradze, T. 1977. Vanis raionis istoriuli geograpiidan [From the historical geography of the Vani district]. Vani III. Tbilisi. pp. 238-40. (In Georgian with a Russian summary.) , Gamqrelidze, G. 1982. Tsentraluri kolkhetis dzveli namosakhlarebi [Ancient settlements of Central Colchis]. Tbilisi. (In Georgian with summaries in Russian and English.), Kacharava, D. 1983. Mokhatuli, shavlakiani da sada keramika. Vani VII. Tbilisi. pp. 26-51, p. 29. (In Georgian.) , Kvirkvelia, G. 1990. La Région de Vani aux VIIIème – Vème Siècles. In Le Pont-Euxin Vu Par les Grecs, Sources Écrites et Archéologique, Symposium de Vani (Colchide), Septembre-Octobre 1987, Otar Lordkipanidze et Pierre Lévêque, ed. Tea Khartchilava et Evelyne Geny, pp. 253-56. Centre de Recherches d’Histoire Ancienne, Vol. 100. Paris: Annales Littéraires de l’Université de Besançon. , Kvirkvelia, G. T. 1990. Vanskii region v VII-V vv. do n. e. [The Vani Region in the 7th-5th cent. B.C.] Prichernomorye v VII-V vv. do n. e. Pismennye istochniki i arkheologiya. Materialy V Mezhdunarodnogo simpoziuma po drevnei istorii Prichernomorya. Vani – 1987 [The Black Sea littoral in the 7th-5th centuries B.C. Literary sources and archaeology (Problem of authenticity). Materials of the 5th International symposium dedicated to the problems of the ancient history of the Black Sea littoral. Vani – 1987]. Tbilisi. p. 280. (In Russian.), and Kharabadze, S. 2008. “Vanis Qveq’nis” Arqeologiuri Ruk’a (dzv.ts. VIII – akh.ts. III ss.). (Archaeological Map of the Vani Land, 8th Century BC – 3rd Century AD). Tsardgenilia Doqt’oris Ak’ademiuri Khariskhis Mosap’oveblad. Saqartvelos T’eqnik’uri Universit’et’i. Tbilisi, 0175, Saqartvelo. Seqt’emberi. p. 42-43, Plate XXXII. (In Georgian with an English summary.)
- Discipline:
- Social Sciences and Humanities
-
- Creator:
- Vani Archaeological Survey
- Description:
- Melashvilebisgora or Melashvilebis Ubani is located south of the modern settlement of Shuamta and is oriented roughly north-south. On top of the hill stands a middle-late Mediaeval fortress of mortared rubble masonry (mainly cobblestones set in hard white mortar), large pieces of which have fallen down the slopes of the hill. Most of the visible masses of masonry appear to have fallen into their current position rather than have remained in situ. The structure measures approximately 20 m by 15 m. The fortress was strategically located to exploit clear sightlines over the Qumuri River and upstream to the hills and beyond to Vani.
- Keyword:
- Fortification, Mediaeval, and 16th-17th century CE
- Citation to related publication:
- Archaeological knowledge of Shuamta dates to the late 1970's. Formal archaeological work in the form of surveys took place in 1981 and 1986. No further work has been done in the area., Beradze, T. 1977. Vanis raionis istoriuli geograpiidan [From the historical geography of the Vani district]. Vani III. Tbilisi. pp. 238-40. (In Georgian with a Russian summary.), Gamqrelidze, G. 1982. Tsentraluri kolkhetis dzveli namosakhlarebi [Ancient settlements of Central Colchis]. Tbilisi. (In Georgian with summaries in Russian and English.), Kacharava, D. 1983. Mokhatuli, shavlakiani da sada keramika. Vani VII. Tbilisi. pp. 26-51, p. 29. (In Georgian.), Kvirkvelia, G. 1990. La Région de Vani aux VIIIème – Vème Siècles. In Le Pont-Euxin Vu Par les Grecs, Sources Écrites et Archéologique, Symposium de Vani (Colchide), Septembre-Octobre 1987, Otar Lordkipanidze et Pierre Lévêque, ed. Tea Khartchilava et Evelyne Geny, pp. 253-56. Centre de Recherches d’Histoire Ancienne, Vol. 100. Paris: Annales Littéraires de l’Université de Besançon., Kvirkvelia, G. T. 1990. Vanskii region v VII-V vv. do n. e. [The Vani Region in the 7th-5th cent. B.C.] Prichernomorye v VII-V vv. do n. e. Pismennye istochniki i arkheologiya. Materialy V Mezhdunarodnogo simpoziuma po drevnei istorii Prichernomorya. Vani – 1987 [The Black Sea littoral in the 7th-5th centuries B.C. Literary sources and archaeology (Problem of authenticity). Materials of the 5th International symposium dedicated to the problems of the ancient history of the Black Sea littoral. Vani – 1987]. Tbilisi. p. 280. (In Russian.), and Kharabadze, S. 2008. “Vanis Qveq’nis” Arqeologiuri Ruk’a (dzv.ts. VIII – akh.ts. III ss.). (Archaeological Map of the Vani Land, 8th Century BC – 3rd Century AD). Tsardgenilia Doqt’oris Ak’ademiuri Khariskhis Mosap’oveblad. Saqartvelos T’eqnik’uri Universit’et’i. Tbilisi, 0175, Saqartvelo. Seqt’emberi. p. 42-43, Plate XXXII. (In Georgian with an English summary.)
- Discipline:
- Social Sciences and Humanities
-
- Creator:
- Limon, Garrett C.
- Description:
- The work guides the processing of CAM6 data for use in machine learning applications. We also provide workflow scripts for training both random forests and neural networks to emulate physic s schemes from the data, as well as analysis scripts written in both Python and NCL in order to process our results.
- Keyword:
- Machine Learning, Climate Modeling, and Physics Emulation
- Citation to related publication:
- Limon, G. C., Jablonowski, C. (2022) Probing the Skill of Random Forest Emulators for Physical Parameterizations via a Hierarchy of Simple CAM6 Configurations [Pre Print]. ESSOAr. https://10.1002/essoar.10512353.1
- Discipline:
- Engineering and Science
-
- Creator:
- Limon, Garrett C.
- Description:
- The data represents weekly output from three 60-year CAM6 model runs. The output includes state (.h0. files) and tendency (.h1. files) fields for three difference model configurations of increasing complexity. State fields include temperature, surface pressure, specific humidity, among others; while tendencies include temperature tendencies, specific humidity tendencies, as well as precipitation rates. Using the state variables at a given time step, machine learning techniques can be trained to predict the following tendency field, which can then be applied to the state variables to provide the state at the next physics time step of the model.
- Keyword:
- Machine Learning, Climate Modeling, and Physics Emulation
- Citation to related publication:
- Limon, G. C., Jablonowski, C. (2022) Probing the Skill of Random Forest Emulators for Physical Parameterizations via a Hierarchy of Simple CAM6 Configurations [Preprint]. ESSOAr. https://10.1002/essoar.10512353.1
- Discipline:
- Engineering and Science
-
- Creator:
- Adler, Jeremy
- Description:
- Data comparing the Simplified Endoscopic Mucosal Assessment for Crohn's Disease (SEMA-CD) from video recordings of colonoscopies to SEMA-CD scoring of their corresponding colonoscopy reports from pediatric patients with Crohn's disease.
- Keyword:
- Crohn's disease and colonoscopy
- Discipline:
- Health Sciences
-
- Creator:
- Basile, Samantha, Lin, Xin, and Keppel-Aleks, Gretchen
- Description:
- Files contain the atmospheric CO2 mole fraction responses to land flux type (HRcasa, HRcorpse, HRmimics) and land flux region (latband variable). Land flux regions are categorized as: Northern Hemisphere high latitudes (NHL; 61 to 90°N), midlatitudes (NML; 24 to 60°N), tropics (NT; 1 to 23°N), Southern Hemisphere tropics (ST; 0 to 23°S), and extratropics (SE; 24 to 90°S). See the README file for how these land flux region definitions relate to the file's latband variable. and To cite dataset: Basile, S., Lin, X., Keppel-Aleks, G. (2019). Simulated CO2 dataset using the atmospheric transport model GEOSChem v12.0.0: Response to regional land carbon fluxes [Data set]. University of Michigan - Deep Blue. https://doi.org/10.7302/xjzc-xy05
- Keyword:
- carbon dioxide, soil heterotrophic respiration, GEOSChem, HR, CO2, CASA-CNP, CORPSE, and MIMICS
- Discipline:
- Science
-
- Creator:
- Lin, Xin, Keppel-Aleks, Gretchen, Rogers, Brendan M., and Birch, Leah
- Description:
- The data contain the daily-averaged atmospheric concentrations of CO2 tracers in the Northern Hemisphere simulated from a tagged tracer transport model GEOS-Chem v12.0.0. Thirteen land flux regions are defined and tagged in the model to separate their imprints on the long-term atmospheric CO2 seasonal amplification in Northern Hemisphere. A file describing the delineation of these land flux regions is also provided. See the README file for more details on the dataset and model configurations.
- Keyword:
- carbon dioxide, seasonal cycle, amplification, Arctic-boreal, global change, and GEOS-Chem
- Citation to related publication:
- Lin, X., Rogers, B. M., Sweeney, C., Chevallier, F., Arshinov, M., Dlugokencky, E., Machida, T., Sasakawa, M., Tans, P., & Keppel-Aleks, G. (2020). Siberian and temperate ecosystems shape Northern Hemisphere atmospheric CO2 seasonal amplification. Proceedings of the National Academy of Sciences, 117(35), 21079–21087.
- Discipline:
- Science
-
- Creator:
- Zhang, Yingxiao MI and Steiner, Allison MI
- Description:
- Atmospheric aerosols are emitted from both natural and anthropogenic sources, and they play an important role in climate, impacting solar radiation and cloud formation. Compared to other types of aerosol particles, primary biological aerosol particles (PBAP, e.g., fungal spores, bacteria, pollen, virus, etc.) are relatively understudied. However, they are linked to adverse health effects and have the potential to influence ice nucleation at higher temperatures. Anemophilous (or wind-driven) pollen is one of the important PBAP, impacts cloud properties under some conditions, and triggers allergic diseases such as allergic rhinitis (also known as hay fever) and asthma. Because pollen emission is closely associated with environmental drivers, the climatic change could influence pollen emission and consequently the incidence of allergic disease. Using CMIP6 model data, our research projects continental-scale changes in pollen emissions at the end of the century, considering the effects of temperature, precipitation, CO2, and future vegetation distribution change. While prior studies have evaluated single types of pollen, we use a mechanistic model to comprehensively simulate total pollen across the United States from all sources. Similar to previous single-source pollen studies, our simulations suggest that pollen season duration will lengthen, and pollen emission will increase in the future, but in addition, we identify new synergies between different pollen types that can influence the maximum daily pollen. Our work highlights that the changes of overlap between pollen seasons of different vegetation taxa can magnify or mitigate the impacts of climate change, which addresses the importance to study all pollen emissions comprehensively. Given pollen is one of the most common triggers of seasonal allergies, our findings also provide information to evaluate global health conditions in the future. In this study, all of the pollen emission data are written in NetCDF files.
- Keyword:
- Pollen emission change, Climate change, Public health, Vegetation land cover change, and CO2 effects
- Citation to related publication:
- Zhang, Y. and Steiner, A. “Projected climate-driven changes in pollen emission season length and magnitude over the continental United States”, under review in Nature Communication, 2022. and yingxz. (2022). steiner-lab/pecm: PECM2.0 (2.0). Zenodo. https://doi.org/10.5281/zenodo.5874177
- Discipline:
- Science
-
- Creator:
- Zhang, Yingxiao MI and Steiner, Allison MI
- Description:
- In the dataset, "_T" means temperature effects only, without "_T" means temperature and precipitation effects are both considered, "_co2" means CO2 effects are considered on the based of temperature and precipitation effects.
- Keyword:
- pollen emission, climate change, and public health
- Discipline:
- Science