Obsolete - AFSC/RACE/EcoFOCI: Chlorophyll, ichthyoplankton and zooplankton data for 3MF04 and 8MF04
Data Set (DS) | Alaska Fisheries Science Center (AFSC)GUID: gov.noaa.nmfs.inport:17097 | Updated: August 9, 2022 | Published / External
Summary
Short Citation
Alaska Fisheries Science Center, 2024: Obsolete - AFSC/RACE/EcoFOCI: Chlorophyll, ichthyoplankton and zooplankton data for 3MF04 and 8MF04, https://www.fisheries.noaa.gov/inport/item/17097.
Full Citation Examples
These data are part of a ocean observation study by Stabeno, Napp, and Whitledge sponsored, in part, by the North Pacific Research Board (Project 410; http://doc.nprb.org). The grant was titled "Long-term observations on the Bering Sea shelf (2004-2005): biophysical moorings at sites 2 and 4 as sentinels for ecosystem change." Moorings were maintained on the southeastern Bering Sea shelf at M2
(56.9B0N, 164.1B0W), and at M4 (57.9B0N, 168.9B0W). Shipboard
measurements of temperature, salinity, nutrients, chlorophyll, fluorescence and
zooplankton were collected around the moorings on two cruises (3MF04 - April 2004 and 8MF04 - September 2004) to ground truth in situ sensors on the moorings. This long-term monitoring supported major findings: (1) The timing of the spring phytoplankton bloom is determined by the presence of ice, with an early bloom occurring if ice is present after mid-March and later bloom occurring if there
is no sea-ice after mid-March; (2) During the last decade, the southeastern Bering Sea
shelf has undergone a marked warming (~3B0C) that is closely associated with a marked
decrease of sea ice over the southeastern shelf; (3) Nutrients supply and summer salinity
over the shelf has not significantly changed during the last three decades; (4) There is an
indication that cold water zooplankton species (e.g Calanus marshallae ) are occurring
in reduced abundance in association with the warming. While the warming over the
southeastern shelf is primarily related to the reduction of ice extent, a combination of
other mechanisms are important: the presence over the eastern shelf of a relatively mild
air mass during winter since 2000; a shorter ice season caused by a later fall transition
and/or earlier spring transition; increased flow through Unimak Pass during winter
introducing warm Gulf of Alaska water onto the shelf; and a thermal feedback
mechanism whereby warmer, summer ocean temperatures delay the southward advection
of sea ice during winter.
Distribution Information
Child Items
No Child Items for this record.
Contact Information
Point of Contact
Kimberly Bahl
kimberly.bahl@noaa.gov
206 526 4314
Metadata Contact
Kimberly Bahl
kimberly.bahl@noaa.gov
206 526 4314
Extents
-175° W,
-160° E,
65° N,
55° S
2004-05-15 - 2006-04-01
Item Identification
| Title: | Obsolete - AFSC/RACE/EcoFOCI: Chlorophyll, ichthyoplankton and zooplankton data for 3MF04 and 8MF04 |
|---|---|
| Short Name: | Obsolete - AFSC/RACE/EcoFOCI: Chlorophyll data form 3MF04 and 8MF04 |
| Status: | Completed |
| Abstract: |
These data are part of a ocean observation study by Stabeno, Napp, and Whitledge sponsored, in part, by the North Pacific Research Board (Project 410; http://doc.nprb.org). The grant was titled "Long-term observations on the Bering Sea shelf (2004-2005): biophysical moorings at sites 2 and 4 as sentinels for ecosystem change." Moorings were maintained on the southeastern Bering Sea shelf at M2 (56.9B0N, 164.1B0W), and at M4 (57.9B0N, 168.9B0W). Shipboard measurements of temperature, salinity, nutrients, chlorophyll, fluorescence and zooplankton were collected around the moorings on two cruises (3MF04 - April 2004 and 8MF04 - September 2004) to ground truth in situ sensors on the moorings. This long-term monitoring supported major findings: (1) The timing of the spring phytoplankton bloom is determined by the presence of ice, with an early bloom occurring if ice is present after mid-March and later bloom occurring if there is no sea-ice after mid-March; (2) During the last decade, the southeastern Bering Sea shelf has undergone a marked warming (~3B0C) that is closely associated with a marked decrease of sea ice over the southeastern shelf; (3) Nutrients supply and summer salinity over the shelf has not significantly changed during the last three decades; (4) There is an indication that cold water zooplankton species (e.g Calanus marshallae ) are occurring in reduced abundance in association with the warming. While the warming over the southeastern shelf is primarily related to the reduction of ice extent, a combination of other mechanisms are important: the presence over the eastern shelf of a relatively mild air mass during winter since 2000; a shorter ice season caused by a later fall transition and/or earlier spring transition; increased flow through Unimak Pass during winter introducing warm Gulf of Alaska water onto the shelf; and a thermal feedback mechanism whereby warmer, summer ocean temperatures delay the southward advection of sea ice during winter. |
| Purpose: |
Chlorophyll samples taken at and around the moorings were obtained as groundtruth data for chlorophyll fluorescence sensors on the moorings. See http://www.pmel.noaa.gov/foci/foci_moorings/foci_moorings.shtml for information on mooring locations, configurations, and data. |
| Notes: |
Loaded by batch 3771, 12-05-2012 12:37 |
Keywords
Theme Keywords
| Thesaurus | Keyword |
|---|---|
| UNCONTROLLED | |
| biota | chlorophyll |
| biota | phaeopigments |
| biota | phytoplankton |
| oceans | chlorophyll |
| oceans | phaeopigments |
| oceans | phytoplankton |
| PARR Exclusion | Non-Federal Funding |
| PARR Exclusion | Obsolete Data Set |
Temporal Keywords
| Thesaurus | Keyword |
|---|---|
| UNCONTROLLED | |
| Seasons | Spring |
| Seasons | Summer |
Spatial Keywords
| Thesaurus | Keyword |
|---|---|
| UNCONTROLLED | |
| None | Alaska |
| None | arctic |
| None | Bristol Bay |
| None | eastern Bering Sea shelf |
| None | St. Lawrence Island |
Stratum Keywords
| Thesaurus | Keyword |
|---|---|
| UNCONTROLLED | |
| Depths | upper water column |
Physical Location
| Organization: | Alaska Fisheries Science Center |
|---|---|
| City: | Seattle |
| State/Province: | WA |
| Country: | USA |
Data Set Information
| Data Set Scope Code: | Data Set |
|---|---|
| Data Set Type: | Oracle Database |
| Maintenance Frequency: | None Planned |
| Data Presentation Form: | Table (digital) |
Support Roles
Data Steward
| Date Effective From: | 2019 |
|---|---|
| Date Effective To: | |
| Contact (Person): | Bahl, Kimberly |
| Email Address: | kimberly.bahl@noaa.gov |
| Phone: | 206 526 4314 |
| Contact Instructions: |
|
Distributor
| Date Effective From: | 2015 |
|---|---|
| Date Effective To: | |
| Contact (Person): | Duffy-Anderson, Janet |
| Email Address: | janet.duffy-anderson@noaa.gov |
| Contact Instructions: |
|
Metadata Contact
| Date Effective From: | 2019 |
|---|---|
| Date Effective To: | |
| Contact (Person): | Bahl, Kimberly |
| Email Address: | kimberly.bahl@noaa.gov |
| Phone: | 206 526 4314 |
| Contact Instructions: |
|
Point of Contact
| Date Effective From: | 2019 |
|---|---|
| Date Effective To: | |
| Contact (Person): | Bahl, Kimberly |
| Email Address: | kimberly.bahl@noaa.gov |
| Phone: | 206 526 4314 |
Extents
| Currentness Reference: | Ground Condition |
|---|
Extent Group 1
Extent Group 1 / Geographic Area 1
| W° Bound: | -175 | |
|---|---|---|
| E° Bound: | -160 | |
| N° Bound: | 65 | |
| S° Bound: | 55 |
Extent Group 1 / Time Frame 1
| Time Frame Type: | Range |
|---|---|
| Start: | 2004-05-15 |
| End: | 2006-04-01 |
Access Information
| Security Class: | Unclassified |
|---|---|
| Data Access Policy: |
Contact Distrobitor |
| Data Access Procedure: |
Contact Distributor |
| Data Access Constraints: |
None |
| Data Use Constraints: |
Contact Distributor |
| Metadata Access Constraints: |
none |
| Metadata Use Constraints: |
none |
Distribution Information
Distribution 1
| Download URL: | http://epic.noaa.gov |
|---|---|
| Distributor: |
Data Quality
| Quality Control Procedures Employed: |
See InPort entries 26275, 26373 and 26570. |
|---|
Data Management
| Have Resources for Management of these Data Been Identified?: | No |
|---|---|
| Approximate Percentage of Budget for these Data Devoted to Data Management: | Unknown |
| Do these Data Comply with the Data Access Directive?: | No |
| Is Access to the Data Limited Based on an Approved Waiver?: | No |
| Approximate Delay Between Data Collection and Dissemination: | varies |
| If Delay is Longer than Latency of Automated Processing, Indicate Under What Authority Data Access is Delayed: |
Required human examination of samples |
| Actual or Planned Long-Term Data Archive Location: | Other |
| If World Data Center or Other, Specify: | multiple locations depending on data type |
| Approximate Delay Between Data Collection and Archiving: | varies |
| How Will the Data Be Protected from Accidental or Malicious Modification or Deletion Prior to Receipt by the Archive?: |
local and off site backups |
Lineage
| Lineage Statement: |
See InPort entries 26275, 26373 and 26570. |
|---|
Catalog Details
| Catalog Item ID: | 17097 |
|---|---|
| GUID: | gov.noaa.nmfs.inport:17097 |
| Metadata Record Created By: | Doug Turnbull |
| Metadata Record Created: | 2012-12-05 12:37+0000 |
| Metadata Record Last Modified By: | SysAdmin InPortAdmin |
| Metadata Record Last Modified: | 2022-08-09 17:11+0000 |
| Metadata Record Published: | 2016-05-18 |
| Owner Org: | AFSC |
| Metadata Publication Status: | Published Externally |
| Do Not Publish?: | N |
| Metadata Last Review Date: | 2016-05-18 |
| Metadata Review Frequency: | 1 Year |
| Metadata Next Review Date: | 2017-05-18 |