Figures & data
Figure 1. Snow pit sites at the East GRIP (EGRIP) camp in Greenland and the 2014–2015 eruption site in Iceland.
![Figure 1. Snow pit sites at the East GRIP (EGRIP) camp in Greenland and the 2014–2015 eruption site in Iceland.](/cms/asset/727679d2-b449-41ff-a854-de1c62a3e819/uaar_a_1634441_f0001_oc.jpg)
Figure 2. Vertical profiles of stable water isotopes and D-excess. Black and red lines represent winter and summer layers, respectively; the data were obtained from Du et al. (Citation2019c).
![Figure 2. Vertical profiles of stable water isotopes and D-excess. Black and red lines represent winter and summer layers, respectively; the data were obtained from Du et al. (Citation2019c).](/cms/asset/9647598c-559f-4ac6-842c-696cc68ea47d/uaar_a_1634441_f0002_oc.jpg)
Figure 3. Vertical profiles of δ18O, micro-particle, mass, dissolved Fe, and total dissolved Fe concentrations (black and red lines represent winter and summer layers, respectively). The δ18O, micro-particle, and mass data were obtained from Du et al. (Citation2019c).
![Figure 3. Vertical profiles of δ18O, micro-particle, mass, dissolved Fe, and total dissolved Fe concentrations (black and red lines represent winter and summer layers, respectively). The δ18O, micro-particle, and mass data were obtained from Du et al. (Citation2019c).](/cms/asset/ab020be1-f69e-4e12-823d-d577cdbb9b68/uaar_a_1634441_f0003_oc.jpg)
Figure 4. The δ18O and micro particle concentrations (Du et al. Citation2019c). as well as total dissolved REEs (total dissolved light REE: TDLREE, total dissolved medium REE: TDMREE, total dissolved heavy REE: TDHREE), in the East GRIP snow pit (black and blue lines represent winter and summer layers, respectively).
![Figure 4. The δ18O and micro particle concentrations (Du et al. Citation2019c). as well as total dissolved REEs (total dissolved light REE: TDLREE, total dissolved medium REE: TDMREE, total dissolved heavy REE: TDHREE), in the East GRIP snow pit (black and blue lines represent winter and summer layers, respectively).](/cms/asset/44b68187-8ea8-43e1-ad73-6a11eb9b0fae/uaar_a_1634441_f0004_oc.jpg)
Figure 5. The concentrations of the TDREEs between the East GRIP snow pit (left) and the aerosol samples (Ilyinskaya et al. Citation2017, right) during the Holuhraun eruption.
![Figure 5. The concentrations of the TDREEs between the East GRIP snow pit (left) and the aerosol samples (Ilyinskaya et al. Citation2017, right) during the Holuhraun eruption.](/cms/asset/ce8dc2cb-8532-4e81-bc2d-ebcaa40f8303/uaar_a_1634441_f0005_oc.jpg)
Figure 6. Five-day backward trajectories of air masses arriving at the East GRIP site during the 2014–2015 eruption period (31 August 2014 to 27 February 2015).
![Figure 6. Five-day backward trajectories of air masses arriving at the East GRIP site during the 2014–2015 eruption period (31 August 2014 to 27 February 2015).](/cms/asset/1f51a1a3-269e-4faf-b17c-0580dcdb9b88/uaar_a_1634441_f0006_oc.jpg)
Figure 7. Vertical profiles of δ18O, micro-particle concentration, micro-particle mass, total dissolved non-sea salt S (Nss S), dissolved Fe (DFe), and total dissolved Fe (TDFe) concentrations and Fe fraction solubility (DFe/TDFe) (black and red lines represent winter and summer layers, respectively).
![Figure 7. Vertical profiles of δ18O, micro-particle concentration, micro-particle mass, total dissolved non-sea salt S (Nss S), dissolved Fe (DFe), and total dissolved Fe (TDFe) concentrations and Fe fraction solubility (DFe/TDFe) (black and red lines represent winter and summer layers, respectively).](/cms/asset/e3652156-f50d-40d1-9aa3-e606c807b375/uaar_a_1634441_f0007_oc.jpg)