← Leaderboards
Richard J Walker
University Of Maryland, College Park
$3,778,653
Attributed
$6,386,880
Total exposure
23
Grants
18
Lead (contact PI)
Attributed= this PI's even-split share of every grant they're on (the fair, additive number). Exposure = full size of all those grants.
Funding over time
peak $695.2K · FY2006–22$1M$750K$500K$250K$0
'06
'07
'08
'09
'10
'11
'12
'13
'14
'15
'16
'17
'18
'19
'20
'21
'22
Funding mix
By agency
NSF$6,386,880 · 23
By mechanism
—$6,386,880 · 23
Top collaborators
- Roberta L Rudnick4 shared
- Sarah Penniston-Dorland4 shared
- Harry Becker3 shared
- Igor S Puchtel3 shared
- Michael Brown2 shared
- Richard D Ash2 shared
- Valerie A Finlayson2 shared
- William F Mcdonough2 shared
Grant awards (23)
UPGRADE of existing Element2 (ICPMS) and ACQUiSITION of a Replacement Laser Ablation System at the University of Maryland, Geology$336,623
· FY2022 · GEO
Spatiotemporal Variability of Tungsten-182 in the Hawaiian Plume$383,720
· FY2021 · GEO · contact PI
Evaluating links between primordial mantle domains and deep mantle structures using 182W and 3He/4He$337,814
· FY2020 · GEO
Study of Mass Independent Isotopic Compositions of Ru and Mo in Early Earth Rocks$317,425
· FY2020 · GEO · contact PI
Acquisition of a State-of-the-Art Multi-Collector Inductively-Coupled Plasma Mass Spectrometer$480,000
· FY2017 · GEO · contact PI
Tungsten and Ruthenium Isotopic Study of the Chemical Evolution of Earth$478,286
· FY2016 · GEO · contact PI
Application of Siderophile Elements to the Study of the Chemical Structure and Mixing History of the Oceanic Mantle$280,000
· FY2014 · GEO · contact PI
CSEDI Collaborative Research: Application of Siderophile Elements to Early Earth Processes and Mantle Mixing$370,184
· FY2013 · GEO · contact PI
Acquisition of a State-of-the-Art Thermal Ionization Mass Spectrometer$325,000
· FY2013 · GEO · contact PI
CSEDI Collaborative Research: Application of siderophile elements to mantle geodynamics$164,584
· FY2012 · GEO · contact PI
Highly Siderophile Elements as Tracers of Mantle-crust Interactions in Subduction Zone Metamorphic Rocks$300,027
· FY2011 · GEO
PGE, Re-Os and Lu-Hf Isotopic Signature of Lithosphere Removal Beneath the North China Craton$330,330
· FY2009 · GEO
Collaborative Research: CSEDI--Origin and Evolution of Highly Siderophile Elements in Earth's Mantle$342,883
· FY2008 · GEO · contact PI
The Timing and Geometry of Lithosphere Removal Beneath the North China Craton$200,969
· FY2007 · GEO
Acquisition of a State-of-the-Art Thermal Ionization Mass Spectrometer$265,000
· FY2006 · GEO · contact PI
Rhenium-Osmium Isotope Investigations of the Taitao Ophiolite$222,817
· FY2004 · GEO · contact PI
CSEDI: Collaborative Research:Development of Geochemical Tests for Detection of Core-Mantle Interaction$323,423
· FY2003 · GEO · contact PI
Characterizing Eastern North American Mantle Using Re-Os$198,487
· FY2003 · GEO · contact PI
Melt Influx and the Effects on Os-Sr-Nd Isotopic Systems and Platinum Group Elements in Jurassic Oceanic Mantle (Totalp Massif, Swiss Alps)$137,936
· FY2003 · GEO · contact PI
Collaborative Research: Characterizing the Late Veneer$175,657
· FY2002 · GEO · contact PI
186Os Investigations into the Origins of Osmium in Seawater$148,000
· FY2001 · GEO · contact PI
CSEDI Collaborative Geochemical Research on the Deep Mantle$190,000
· FY2000 · GEO · contact PI
A Rhenium-Osmium Study of Alkaline Basalts from Vesteris Seamount and the Jan Mayen area in the North Atlantic$77,715
· FY2000 · GEO · contact PI